Add Reason to addRemoteInput Logs

This CL improves addRemoteInput logs and make similar them to removeRemoteInputs.

Example output:
1. addRemoteInput reason:RemoteInputView#focus entry: key, style:BigTextStyle ..
2. removeRemoteInput reason: RemoteInputViewController#sendRemoteInput entry:key, style: BigTextStyle ..
3. removeRemoteInput reason: RemoteInputView#onDefocus entry: key, style: BigTextStyle ..
4. removeRemoteInput reason: RemoteInputView$WindowInsetAnimation#onEnd entry: key, style: BigTextStyle ..
5. removeRemoteInput reason: RemoteInputView$WindowInsetAnimation#onEnd entry: key, style: BigTextStyle ..
6. removeRemoteInput reason: RemoteInputView#onDetachedFromWindow entry:key, style: BigTextStyle..

Bug: 290068526
Test: RemoteInputLogger addRemoteInput logs in BR
Change-Id: I863be99cb386d3b04a06b5445614225eee840610