Have ResultReporter check build info during invocationEnded

Instead of making ResultReporter IShardableListener, have it collect a
single "master" build info when sharded, then load the saved build info
during invocationEnded. The build info is populated by
DeviceInfoCollector.

Bug: 28883703
Bug: 28979002
Change-Id: I36b5b34a8116d021a5e8dfd4d05a5ae5a8ac978b
3 files changed