tree 98a1cbc0ea9f6eefe29d395002268d6f62fca571
parent 0295125624e8253fbf37d57bae649d0c5f257b2d
author Shuzhen Wang <shuzhenwang@google.com> 1565885516 -0700
committer Shuzhen Wang <shuzhenwang@google.com> 1567210675 -0700

Camera: Handle onBuffersDiscarded callback

Use onBuffersDiscarded callback from buffer queue to invalidate the
buffer caches in cameraserver process.

Test: Run testDiscardFreeBuffers, and use trace to profile memory
Bug: 136677409
Change-Id: Ifac5e852e2a1ac50f5c3f2e047966c59eeb5f1ba