Fixes issue where summary text would not properly describe the state of
camera based auto rotation when permission is missing or when another state is blocking the feature
Bug: 190095500
Test: locally with flame & make RunSettingsRoboTests -j$(nproc) ROBOTEST_FILTER=SmartAutoRotatePreferenceControllerTest
Change-Id: I7609ca87658e08831f3bc37c839f00f63946ddec
Test: locally with phone and make -j64 RunSettingsRoboTests
ROBOTEST_FILTER="com.android.settings.display.SmartAutoRotatePreferenceControllerTest"
Bug: 172857585
Change-Id: I8aaeb9d726ff71f64fd241c01fe2a1268fff927e