Error Prone: Enable remaining errors

Change-Id: Idee4a66e8e4515cf78d3a38054886a4d8e4c6629

tools/BUILD

diff --git a/tools/BUILD b/tools/BUILD
index 685d97e..9254bcd 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -85,8 +85,19 @@
         "-Xep:PreconditionsInvalidPlaceholder:ERROR",
         "-Xep:ProtoFieldPreconditionsCheckNotNull:ERROR",
         "-Xep:ProtocolBufferOrdinal:ERROR",
+        #"-Xep:ReferenceEquality:ERROR",
+        "-Xep:RequiredModifiers:ERROR",
+        "-Xep:ShortCircuitBoolean:ERROR",
+        "-Xep:SimpleDateFormatConstant:ERROR",
+        "-Xep:StaticGuardedByInstance:ERROR",
         "-Xep:StringEquality:ERROR",
-        "-Xep:MissingCasesInEnumSwitch:ERROR",
+        #"-Xep:SynchronizeOnNonFinalField:ERROR",
+        "-Xep:TruthConstantAsserts:ERROR",
+        "-Xep:TypeParameterShadowing:ERROR",
+        #"-Xep:TypeParameterUnusedInFormals:ERROR",
+        "-Xep:URLEqualsHashCode:ERROR",
+        "-Xep:UnsynchronizedOverridesSynchronized:ERROR",
+        "-Xep:WaitNotInLoop:ERROR",
         "-Xep:WildcardImport:ERROR",
     ],
     packages = ["error_prone_packages"],