Merge "Disable mediacodec.policy for riscv64" am: d69e9fa3 am: b3ea53e0

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2387677



Change-Id: I9c2b36f3d64f1d1e6b418c42372cbd8723a250b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>