Merge "Have isRinging return true when simulated ringing" am: ce5d5035 am: ae013fec am: 5bfc75f9 am: caca3683 am: d1ed5227

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telecomm/+/1340773

Change-Id: I2e36e73b7f58a34c928962a51cbbce1fa3485b3b