Grant artd root capabilities that it needs to perform its tasks. am: 58255099c1 am: 771b2dbdc4 am: 3aacc02f18 am: 1c637204f1

Original change: https://android-review.googlesource.com/c/platform/art/+/2117753

Change-Id: I7390f0345a7aded4281b1bf22a7558c7f4b9f83e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>