SuspendSepolicyTests: Use target device grep am: d5479ac52f

Original change: https://android-review.googlesource.com/c/platform/system/hardware/interfaces/+/3414477

Change-Id: I08f73699ba275cf1eb297ad3c2eddc04f236bb0f
Signed-off-by: Automerger Merge Worker <[email protected]>