Wait for JIT threads to be created in ASAN builds am: 889403b999 am: 791614c841 am: 01d68b677b am: 84170b6a0e am: 223a0c8ed4

Original change: https://android-review.googlesource.com/c/platform/art/+/2176578

Change-Id: I69de9e93763623ccf2da192e4e25c4698d884198
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>