LTS: Merge android-4.9 (4.9.160) into android-msm-bluecross-4.9

Merge android-4.9 common kernel (4.9.160) into B1/C1 master kernel.

Bug: 115649324
Test: Manual testing
Change-Id: I6847ef7d403085a4035b97c2bd3f870a3ffa0f9b
Signed-off-by: Petri Gynther <pgynther@google.com>