Use RoSystemFeatures API where appropriate

Generated via the following args to platform_service_defaults errorprone
settings:
  * "-XepPatchChecks:RoSystemFeaturesChecker"
  * "-XepPatchLocation:IN_PLACE"

This is part of a series of batch updates before we enable such checks
by default.

Bug: 203143243
Test: m + presubmit
Flag: build.RELEASE_USE_SYSTEM_FEATURE_BUILD_FLAGS
Change-Id: I7e16e91fc591889fadde96aef1eeaa73efe236d7