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

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



Change-Id: Iecc5339abc27bb5c0f9a381f12f464044bd127ab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>