Update framework from jetpack.

Changes included:
* 27ea02: Add cts API coverage for Migrator.onUpgrade and onDowngrade.
* 9961ca: Rewrite Preconditions.checkNotNull to Objects.requireNonNull.
* e62a4e: Add calls to persistToDisk(LITE)
* 15c06a6: Simplify an expected error message in AppSearchResultTest.
* d0cf93f: Sets a default empty value when converting DocumentProtos to GenericDocuments

Bug: 183239551
Bug: 181787682
Bug: 181096312
Bug: 180127220
Bug: 183550974
Bug: 177611968
Test: Presubmit
Change-Id: I4dd86bc1a1bd76d0b0f5e5da97f205e267841e94