[automerger skipped] Move `ScopedUnroot` and `ScopedInaccessible` to common_art_test. am: 19c766bfe5 am: 35dc51a4e1 am: 3458f9a49b am: 03397a62e0 am: 2a763f6059 -s ours

am skip reason: Merged-In Ia71296fb9963f9e79036da9d84a7dbbd733e06a3 with SHA-1 3b1e0cb458 is already in history

Original change: https://android-review.googlesource.com/c/platform/art/+/2146200

Change-Id: Idecf390ab7812c83f2236bac88713c9dfbf01a81
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>