Merge commit 'e887563a' into fix-merge-conclict

* commit 'e887563a':
  Revert "am 5b931dc7: am ec0b12c3: Merge "Don\'t reset cachedSize to 0 in getSerializedSize""

Change-Id: I1222ae20e6caef67c5a00ac481e10fe7b7d2a91c