Show noop transactions in viewer am: 89570faf2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/23631337

Change-Id: I332a2412178b687000e0ee1a125c52becb07f655
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>