Update framework from Jetpack

Included changes:
* 8b9027a: Unhide visibility APIs on SetSchemaRequest.
* 9079d15: Support collections of subclasses in SetSchemaRequest builder
* 3a36aa7: Snapshot global query results in tests.
* afbdc54: Fix errors cause by AppSearchImpl.reset.
* 2463600: Place CTS tests and test utils into the right places.
* 92cd45a: Remove AppSearchResult from methods returning a single value.

Bug: 169883602
Bug: 171914169
Bug: 175430168
Bug: 170997047
Bug: 162450968
Test: AppSearchSessionTest
Change-Id: I01101e7928e0a0526412f5905ff5d6afa645042b