Camera: Allocate graphics buffers via 'IAllocator'

Camera graphic buffers should always be allocated using the
respective HIDL API.

Bug: 77681294
Test: run vts --skip-all-system-status-check --skip-preconditions
--primary-abi-only --module VtsHalCameraProviderV2_4Target -l INFO

Change-Id: Ibef88548fc3d29df606e4f66f5f3f4e89d3bf654
Merged-In: Ibef88548fc3d29df606e4f66f5f3f4e89d3bf654
2 files changed