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

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

Change-Id: I44dfe95a17a57d2404d92c44517b92c3ad13259e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>