Merge cherrypicks of [3614756, 3614757, 3614861, 3614758, 3614759, 3615200, 3615201, 3615202, 3615203, 3615204, 3614670, 3614671, 3615108, 3615109] into oc-mr1-release

Change-Id: I49964d5bf5f5fe6557c8baa50e91e5bc96ce471c
tree: ca6d77dc34d13cf5d7f1a4ee93f5686d48804c34
  1. camera2/
  2. common/
  3. framesequence/
  4. photoviewer/
  5. widget/
  6. CleanSpec.mk
  7. OWNERS