samsung: gralloc: sync with cm

Revert "gralloc: Allow unmapping concurrent handles"

gralloc: Attribute buffer ownership to last caller

Switch buffer management from creator to latest registrant

Change-Id: I52d14377405b5bedd99d3374f674046cfb5840d3
Revert "xmm626x: Update libril to v9 [1/2]"

This reverts commit a28fa8e0a8d64c960f2157e779de0e3d13d2174b.

Change-Id: Ieef29b419b0f0dca323700920ae7226a15c0ae49
Fix movie studio crash

Change-Id: I4ef523f361df981d2c737572ac9772568951f7ea
Merge pull request #1 from omnirom/android-4.4

to update my environement uptodate