Various API changes including:

1. Move isSatisifed into RuleEvaluator to minimise the API surface.
2. Add a new global settings for skipping integrity component for rule
providers.
3. Incorporate changes suggested by API review in http://b/147835536.

Note that this change is forked from ag/9974531.

Test: atest frameworks/base/core/tests/coretests/src/android/content/integrity/
Test: atest frameworks/base/services/tests/servicestests/src/com/android/server/integrity
Bug: 145290357, 147835536
Change-Id: Ic358a83b6bdcd4cb783e6904869f7dc2d136a55e