Fix ErrorProne issues for JavaLangClash bug pattern

This requires renaming Module classes that clash with java.lang.Module.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I9dfb6f2d5e4b07d6ce346bea7aa8e6370bdad678

BUILD

diff --git a/BUILD b/BUILD
index cf90561..95eda17 100644
--- a/BUILD
+++ b/BUILD
@@ -5,7 +5,7 @@
     srcs = glob(["src/main/java/**/*.java"]),
     manifest_entries = [
         "Gerrit-PluginName: download-commands",
-        "Gerrit-Module: com.googlesource.gerrit.plugins.download.Module",
+        "Gerrit-Module: com.googlesource.gerrit.plugins.download.PluginModule",
     ],
     resources = glob(["src/main/resources/**/*"]),
 )

src/main/java/com/googlesource/gerrit/plugins/download/PluginModule.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/download/Module.java b/src/main/java/com/googlesource/gerrit/plugins/download/PluginModule.java
similarity index 95%
rename from src/main/java/com/googlesource/gerrit/plugins/download/Module.java
rename to src/main/java/com/googlesource/gerrit/plugins/download/PluginModule.java
index 78d1f36..abe828b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/download/Module.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/download/PluginModule.java
@@ -19,7 +19,7 @@
 import com.googlesource.gerrit.plugins.download.command.DownloadCommandsModule;
 import com.googlesource.gerrit.plugins.download.scheme.SchemeModule;
 
-class Module extends AbstractModule {
+class PluginModule extends AbstractModule {
   @Override
   protected void configure() {
     install(new CloneCommandsModule());