Merge "CCodec: handle attaching 0-sized encrypted buffer" into tm-dev am: 8236387d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18589163



Change-Id: Ifdcdb3a408000849929eced46a8d82f5e1575dcb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>