Merge "Remove the unnecessary RCS API RcsFeature#removeCapabilityExchangeImpl" am: d8ea14e052 am: 3381ad7c79 am: 09608dc5ce

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1695312

Change-Id: I2e2a9fa4f23ebc22909ae9833d1f9fc19f6ce013