Gralloc: Use handle reserved size while importing buffer am: af82c80bda am: 75c033b8fb am: a15668b90d am: fde78a187a

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/qcom/sm8150/display/+/22422376

Change-Id: I85ea30dcfaa3b2be88ba45c6f8015778f481af83
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>