Use cached volumes to resolve volume paths

In Ib0d525792eecd813ed4c7c30db5cb9d3053668c0 we always fetched the
mounted volumes from the StorageManagerService, because of some
races between MEDIA_MOUNTED broadcast and onVolumeStateChanged.

With If441c9782596f0e7b963ad10571ce2fa19746ee6 fixing the race,
we can now use the cache again, improving performance.

Test: atest AdoptableHostTest
Bug: 144275217
Change-Id: Ib392a6a7b7389aab24b9cdb36e4b8ff292f462e9
1 file changed