Error Prone 2.12.0

New checks

• BoxedPrimitiveEquality
• DoubleBraceInitialization
• IgnoredPureGetter
• LockOnBoxedPrimitive
• IncorrectMainMethod
• LongDoubleConversion
• RobolectricShadowDirectlyOn
• StaticAssignmentOfThrowable
• UnnecessaryLongToIntConversion
• Varifier

Fixed issues: #58, #65, #1327, #1654, #2858, #2867, #2916, #2951, #2954, #3006, #3008

Full Changelog: v2.11.0...v2.12.0