Merge changes from topic "presubmit-am-5e074e05e4c74163b4f9a025baec3cd0"
* changes:
[automerge] Add a runtime check to ensure that system server jars are prefetched. 2p: 418ab821 2p: 1cab79ef
[automerge] Add a runtime check to ensure that system server jars are prefetched. 2p: 418ab821
Add a runtime check to ensure that system server jars are prefetched.