[automerger skipped] Merge "Prefetch standalone system server jars before switching domain." am: 04b45b74a1 am: 16895824d0 am: 5a86271193 am: bbe20f1546 -s ours

am skip reason: Merged-In I365be766cfb77c6e240d5871f1b3d8ed7abae6f5 with SHA-1 281a2dfaa1 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1909973

Change-Id: I98db113add3386f6d4a9c9954663711684d99b94