Merge "Reuse a same buffer per session instead of reallocating each time." into tm-dev am: ccf6f21a am: d5009ae5 am: 803cd793

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



Change-Id: I360d3d761132272d733991da772bd9400bd1383c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>