Before we index, add a call to clear indexed data before
indexing again. It's an optional call.
Fixes: 80065409
Test: robotests
Change-Id: Iddb0ce02c50d84b51fbf6fc2be0bdc9aa1f5987a
The index implementation is optional and left up to the OEM.
Test: Open settings, see content in index
Test: robo tests
Bug: 68378569
Bug: 76102600
Change-Id: Idb8bb1e0cabbbe92e7a852e2eadbdcd8c2ab7d56