For make this method usage more clear,
setTitle(charSequence) rename as setTitleText,
add java doc: it is only for user generated string
setTitle(int) rename as setTitleRes.
Change-Id: I972cb6a8ff90873dfdc25c23f6dc3d68103c8e4e
Fixes: 78347436
Test: make RunSettingsRoboTests
1. Split existing tests into fully automatable (unit/) and not fully
automatable (app/)
2. Revert previous changes to test runners on app/
3. Fix some typos in readme
This will enable us to add the fully automatable test target
SettingsUnitTests to the continuous integration tests on the platform.
Change-Id: I0f42c59fde84891e4bfc379150c2f0c61ce1329f