Update Test924 to filter for messages related to test thread am: df4219a87b am: 4f31300fd6 am: 4d44ed036b am: 03d2962367 am: 06cd0a450b

Original change: https://android-review.googlesource.com/c/platform/art/+/2223919

Change-Id: Ieb81979d16e4a7685b9517e9b02c5e15e394b86f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>