Update framework from Jetpack.

Changes included:
* 5814e32: Improve the documentation for the SetSchemaRequest.setMigrator
* b9bf4a0: Add clearPackageData in AppSearchImpl.

Bug: 183942169
Bug: 145759910
Test: Presubmit
Change-Id: I0518f7e84cbe910a8172af58ba2462ad17afae42
4 files changed