Intercept key up after handling Ctrl+space

At the moment we are only handling the key down for the Ctrl+Space
shortcut, and we are passing down the key up which could
potentially cause additional actions.

Bug: 327198899
Flag: NA
Test: Flashed on device
Change-Id: Ie189200c7803d829ea491f066fe59b43a4e4c16c
1 file changed