am c72280d2: am 49e29575: am 21cf95e7: Don\'t allow clients to update or insert _data column data

* commit 'c72280d2f2d5c0cb91bb75fc8892fe9fc7bb88b5':
  Don't allow clients to update or insert _data column data
am cad5d8e3: am c72280d2: am 49e29575: am 21cf95e7: Don\'t allow clients to update or insert _data column data

* commit 'cad5d8e34b02e397eeb508cd4015c3b207fbb7c5':
am 04311337: am cad5d8e3: am c72280d2: am 49e29575: am 21cf95e7: Don\'t allow clients to update or insert _data column data

* commit '04311337ec83020caf58747d680eaccee3ab9b99':
am 828617b8: am 04311337: am cad5d8e3: am c72280d2: am 49e29575: am 21cf95e7: Don\'t allow clients to update or insert _data column data

* commit '828617b8277b346332dae15654ef6c28a9a2f422':
Merge tag 'android-4.3.1_r1' into HEAD

Android 4.3.1 Release 1