add @Override for addWindowLayoutInfoListener(context) and update prebuilts.

Also throw exception when there's re-registration for Context/Consumer
callback. At the Extension level we maintain a 1-1 mapping between
Context and Consumer, while Jetpack handles the multicasting.

Test: CTS in same topic.

Change-Id: If0fccd5e52c799fd4aaa9b3637b2f1c78986fc75
Bug: 204073440
2 files changed