SuspendSepolicyTests: Use target device grep am: 42f7e8dc09 am: 1685a70dd8

Original change: https://android-review.googlesource.com/c/platform/system/hardware/interfaces/+/3393122

Change-Id: I6f628677783f36808d5f69ac19e5b859d0bf2269
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>