Merge "Update API documentation for onRttInitiationFailure." am: 7ee20f2830 am: 5badbebbf9 am: 2e658ce6fe

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1990510

Change-Id: I5c53a4d30a9dd1143d4bb723df69041bf2a355b2