We no longer use instrumentation stubs remove the support code am: e52e4fb74e

Original change: https://android-review.googlesource.com/c/platform/art/+/2363299

Change-Id: Ie7ad80db6354ca0cf682f67af884304ec28de387
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>