[automerger skipped] Add default maxBufferCount in GraphicBufferProducer am: 625eb01 -s ours

am skip reason: Merged-In Ie5c5f747ecd6c15ffae80cc32b9f5a90b1a44df3 with SHA-1 ec1f230 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3375331

Change-Id: I2e1dc190d40880ab60da26856d09423d5b66946e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

Author: sm1021.shin