Merge "Provide API to retrive dual connected bandwidth" am: 10ab8683b5 am: d196aceab8 am: 722f0fefca

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1496903

Change-Id: Icf6a16e2d7b64c2204870cfa4b01fb5d99b1d509