Merge "DrmManager: choose plugin load path based on arch" into tm-dev am: 768f4c48 am: 4c8eab5e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/17873358



Change-Id: I23e5e9e23ea736d3757523c1d3b461f457c0b824
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>