Merge "Reduce number of copies into unmapExternalTextureBuffer" into udc-dev...

Merge "Reduce number of copies into unmapExternalTextureBuffer" into udc-dev am: e319cc6b am: ce5e48bf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21570054



Change-Id: I9f9b49c94e8ecbfbf5ce79ed4a1e4787d6ac6ef1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>