Rename submit requirement expressions in project.config

Doing the following renames for a shorter and more compact version:
applicabilityExpression -> applicableIf
submittabilityExpression -> submittableIf
overrideExpression -> overrideIf

Change-Id: I23a6cff2e5187b5cdfbf760d0ab59c481091f4a7
diff --git a/java/com/google/gerrit/server/project/ProjectConfig.java b/java/com/google/gerrit/server/project/ProjectConfig.java
index 6551858..0d710b9 100644
--- a/java/com/google/gerrit/server/project/ProjectConfig.java
+++ b/java/com/google/gerrit/server/project/ProjectConfig.java
@@ -129,9 +129,9 @@
   public static final String SUBMIT_REQUIREMENT = "submit-requirement";
   public static final String KEY_SR_NAME = "name";
   public static final String KEY_SR_DESCRIPTION = "description";
-  public static final String KEY_SR_APPLICABILITY_EXPRESSION = "applicabilityExpression";
-  public static final String KEY_SR_SUBMITTABILITY_EXPRESSION = "submittabilityExpression";
-  public static final String KEY_SR_OVERRIDE_EXPRESSION = "overrideExpression";
+  public static final String KEY_SR_APPLICABILITY_EXPRESSION = "applicableIf";
+  public static final String KEY_SR_SUBMITTABILITY_EXPRESSION = "submittableIf";
+  public static final String KEY_SR_OVERRIDE_EXPRESSION = "overrideIf";
   public static final String KEY_SR_OVERRIDE_IN_CHILD_PROJECTS = "canOverrideInChildProjects";
 
   public static final String KEY_MATCH = "match";
diff --git a/javatests/com/google/gerrit/server/project/ProjectConfigTest.java b/javatests/com/google/gerrit/server/project/ProjectConfigTest.java
index 8ca392c..9130d3e 100644
--- a/javatests/com/google/gerrit/server/project/ProjectConfigTest.java
+++ b/javatests/com/google/gerrit/server/project/ProjectConfigTest.java
@@ -211,13 +211,13 @@
                 "project.config",
                 "[submit-requirement \"Code-review\"]\n"
                     + "  description =  At least one Code Review +2\n"
-                    + "  applicabilityExpression = branch(refs/heads/master)\n"
-                    + "  submittabilityExpression = label(code-review, +2)\n"
+                    + "  applicableIf =branch(refs/heads/master)\n"
+                    + "  submittableIf =  label(code-review, +2)\n"
                     + "[submit-requirement \"api-review\"]\n"
                     + "  description =  Additional review required for API modifications\n"
-                    + "  applicabilityExpression = commit_filepath_contains(\\\"/api/.*\\\")\n"
-                    + "  submittabilityExpression = label(api-review, +2)\n"
-                    + "  overrideExpression = label(build-cop-override, +1)\n"
+                    + "  applicableIf =commit_filepath_contains(\\\"/api/.*\\\")\n"
+                    + "  submittableIf =  label(api-review, +2)\n"
+                    + "  overrideIf =  label(build-cop-override, +1)\n"
                     + "  canOverrideInChildProjects = true\n")
             .create();
 
@@ -258,7 +258,7 @@
             .add(
                 "project.config",
                 "[submit-requirement \"code-review\"]\n"
-                    + "  submittabilityExpression = label(code-review, +2)\n")
+                    + "  submittableIf =  label(code-review, +2)\n")
             .create();
 
     ProjectConfig cfg = read(rev);
@@ -283,10 +283,10 @@
                 "project.config",
                 "[submit-requirement \"code-review\"]\n"
                     + "  description = At least one Code Review +2\n"
-                    + "  submittabilityExpression = label(code-review, +2)\n"
+                    + "  submittableIf =  label(code-review, +2)\n"
                     + "[submit-requirement \"Code-Review\"]\n"
                     + "  description = Another code review label\n"
-                    + "  submittabilityExpression = label(code-review, +2)\n"
+                    + "  submittableIf =  label(code-review, +2)\n"
                     + "  canOverrideInChildProjects = true\n")
             .create();
 
@@ -318,7 +318,7 @@
             .add(
                 "project.config",
                 "[submit-requirement \"code-review\"]\n"
-                    + "  applicabilityExpression = label(code-review, +2)\n")
+                    + "  applicableIf =label(code-review, +2)\n")
             .create();
 
     ProjectConfig cfg = read(rev);
@@ -945,8 +945,8 @@
                 "project.config",
                 "[submit-requirement \"code-review\"]\n"
                     + "  description =  At least one Code Review +2\n"
-                    + "  applicabilityExpression = branch(refs/heads/master)\n"
-                    + "  submittabilityExpression = label(code-review, +2)\n"
+                    + "  applicableIf =branch(refs/heads/master)\n"
+                    + "  submittableIf =  label(code-review, +2)\n"
                     + "[notify \"name\"]\n"
                     + "  email = example@example.com\n")
             .create();