Add optional encoder debug logging to VkEncoder am: eeb3fa837a

Original change: https://android-review.googlesource.com/c/device/generic/goldfish-opengl/+/2054607

Change-Id: I0c7406eb4af1fa3d7dd0b70052a87e3d4990bd77
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>