[automerger skipped] ColorConverter: change default matrix for full range am: ad8c9c08 -s ours

am skip reason: Merged-In Ib2343457c1b9fc1e43a34037ec00c74b3c98fc99 with SHA-1 d85d565d is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/21496800



Change-Id: I9bc5c4985ba4c6f44848d4ba5200e24356f567bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>