5G meteredness for telephony framework

Add listener for SubscriptionPlans changed

Bug: 151630253
Test: atest FrameworksTelephonyTests
Change-Id: I0c8e84f74fd1f69ffc7e1046819966fcb04732a6
Merged-In: I0c8e84f74fd1f69ffc7e1046819966fcb04732a6
1 file changed