This CL make all mobile related preferences support:
1. If subId is manually set, check visibility by subId
2. If not, try find whether there is one active subId meets requirement.
If so, isAvailable() will return true to enable search.
Bug: 77276236
Test: RunSettingsRoboTests
Change-Id: I24e2d2f5e882284ba8e997b844caee7722b6b07d
This used the CarrierConfigManager to get the CarrierSettings activity
component and open that activity when the preference is clicked.
Bug: 117651939
Test: make -j40 ROBOTEST_FILTER=telephony RunSettingsRoboTests
Change-Id: Ic5267bba18ab32fbcc2e04aa61e7361151130275
Only show it when:
1. It is in CDMA or GSM mode
2. CarrierConfig tell settings to show it
Bug: 114749736
Test: RunSettingsRoboTests
Change-Id: I45ecbc86c793ebec602142be208058e2043a2ba7