Support RCS master switch

Add flag which indicate RCS enable or disable by user in
RcsClientConfiguration class

BUG: b/202892135
Test: cts CtsTelephonyTestCases:RcsClientConfigurationTest
Change-Id: Ic4397cb167f38602883ba939b75e109edccfb028
Merged-In: Ic4397cb167f38602883ba939b75e109edccfb028
2 files changed