Merge cherrypicks of ['googleplex-android-review.googlesource.com/21353691'] into tm-d2-release.

Change-Id: Ia1676d6f93127a359c4b31093cbf880a6279444e
tree: a44846cd956f2524c13eedae7fdcfc4df9d52eb2
  1. iconloaderlib/
  2. motiontoollib/
  3. searchuilib/
  4. viewcapturelib/