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: d5009ae5 am: 90e0ae2e am: f070747c

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



Change-Id: If6e37c2f3961abf90dc9a7077dce2f075067a6ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>