Error Prone 2.15.0
New Checkers:
BuilderReturnThis
CanIgnoreReturnValueSuggester
CannotMockFinalClass
CannotMockFinalMethod
DirectInvocationOnMock
ExtendsObject
MockNotUsedInProduction
NoCanIgnoreReturnValueOnClasses
NullArgumentForNonNullParameter
SelfAlwaysReturnsThis
UnsafeWildcard
UnusedTypeParameter
Fixed issues: #1562, #3236, #3245, #3321
Full Changelog: v2.14.0...v2.15.0