Merge "Remove the hidden API "onRemoteCapabilityRequest" from the exposed interface CapabilityExchangeEventListener" am: 2a24bb672f am: dd3c0deeeb am: e742d9edc9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1550665

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic1544c7aea28fb5480c7813a54130cf0b55808c3