Merge "Reuse a same buffer per session instead of reallocating each time."...

Merge "Reuse a same buffer per session instead of reallocating each time." into tm-dev am: ccf6f21a am: 1078fb1a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17946676



Change-Id: I721fd24a54bb3e7bb2c9bfeaf1e207d6c42e35f2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>