Gralloc: Use handle reserved size while importing buffer am: af82c80bda am: 75c033b8fb am: a15668b90d am: 2f5f29a725

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

Change-Id: I2fdedbf60d087c6869b2d668246f7d0d4e1bdd52
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>