Add @SuppressWarnings to a test that deliberately calls TypeMirror.eq…

…uals.

See [] for more details

#TypeEqualsCleanup

RELNOTES=Suppress TypeEquals warning

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=256461683

value/src/test/java/com/google/auto/value/processor/TypeSimplifierTest.java

@@ -106,6 +106,7 @@ public void testQuirkyTypeMirrors() {
   }
 
   @Test
+  @SuppressWarnings("TypeEquals") // We want to test the equals method invocation on TypeMirror.
   public void testTypeMirrorSet() {
     // Test the TypeMirrorSet methods. Resist the temptation to rewrite these in terms of
     // Truth operations! For example, don't change assertThat(set.size()).isEqualTo(0) into