Context#getResources loading is done based on the last SIM to
come up, we may get wrong customization settings.
This fix check the setting of active subscription and shows the preference.
Bug: 138956509
Test: CellularFallbackPreferenceControllerTest
manual test:
1. Insert feature supported SIM and check UI.
2. Remove feature supported SIM and check UI.
3. Turn airplane mode on and check 1. and 2..
Change-Id: I72b6db415429181395a02f163889bb1b9c0f070f
Merged-In: I72b6db415429181395a02f163889bb1b9c0f070f
The preference should be removed from the search result when
the availability status is false.
Change-Id: I979bc70ec7672b137b96a7e02db2e9ba29fbb7a8
Fixes: 112550245
Test: manual and robotests
Having consistent import order will reduce chance of merge
conflict between internal and external master
Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b
