Merge "Add @GuardedBy annotation to PersistentDataBlockService#mIsWritable." into lmp-mr1-dev am: 63a27d773b am: 1422a6074d am: a1d59972ad am: f027831c6b am: 5c74a1e9bb am: 1d84f619bf am: 0e2e913b04
am: b07ddf3814

Change-Id: I5fc69e1d8e02e405ae9ca8362a5c1f6312b4f53e