Remove instances of identical operands in binary expression

These are almost certainly all bugs. Removing them and enabling the
errorprone warning as an error going forward will hopefully avoid
further instances creeping in to the code base.

Bug: 217923092
Test: atest AdbDebuggingManagerTest AppTransitionControllerTest
      errorprone build
Change-Id: I51fb57024eb19f1b4c96b2033bbafdb610ef2ebb