Small cleanup in AndroidTouchProcessor.java‎

[AbdeMohlbi]

before :

 if (isPointerEvent && isMovementEvent) {
      // Continue.
    } else {
      return false;
    }

after :

if (!isPointerEvent || !isMovementEvent) {
      return false;
    }

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[reidbaker]

Logically this is the same and it does follow java best practices.

WANT_LGTM from @gmackall.