arm: Fix CFI for method exit hook in Generic JNI. am: bbb7177a0b

Original change: https://android-review.googlesource.com/c/platform/art/+/2485121

Change-Id: Ie08dcc2f682acd6e141cbafe85e827b05178ff0f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>