base

Generate locale-aware gamepad fallbacks for webview

Since WebView's input handling is asynchronous its KeyEvents get
re-injected to ViewRootImpl via dispatchUnhandledKey. Make sure these
events generate the new synthetic, locale-aware keys before
using the kcm fallbacks.

Bug: 11193726
Change-Id: I2605f15130ba4bb4ad23c7ad1f3e5edfbc4be99d