Update framework from jetpack.

Changes included:
* 4d36ab: Rename AppSearchSession in test message to avoid export bug.
* 0b2126: Update AppSearch to be in sync google3 update ag/13878956.
* e79e74: Add getRankingSignal method to SearchResult.
* 2c2383: Add a getNamespaces() API.
* 712009: Add getStorageInfo API.
* 81e601: Add resut grouping flags and limits.
* f23105: Support usage reporting by the system in AppSearchImpl.
* 05b7d3: Change schema version from per AppSearchSchema to overall.
* effe02: Support schema migration to another type.
* a0db44: Some minor fix for GetSchemaResponse
* 66a1c3: Support AppSearchResult to convert a failure result to another type.

Bug: 177266929
Bug: 182620003
Bug: 183031844
Bug: 180429302
Bug: 182909475
Bug: 179160886
Bug: 183042276
Bug: 181179404
Test: Presubmit
Change-Id: I091b25a78093d0c8c193903a58122d09788e31ff