Sync framework from jetpack.

Changes included:
* 131d852: Remove usages of hidden APIs in the CTS tests.
* c984c24: Change AppSearchSchema and PropertyConfig #toString()

Bug: 146218515
Bug: 179680545
Test: Presubmit
Change-Id: Ibcef982cfea95ede2ae8e6075a052a83b44298c4
6 files changed