LTS: Merge upstream-linux-4.4.y (4.4.219) into android-msm-wahoo-4.4

Merge upstream-linux-4.4.y LTS kernel (4.4.219) into M2S2 master kernel.

Bug: 155048454
Test: Manual testing, SST, vts/vts-kernel, pts/base, pts/postsubmit-long
Signed-off-by: lucaswei <lucaswei@google.com>
Change-Id: Icda1fe8f1efde0b9d849a7fbc4057bebb2d53ba2