Trigger the webview update logic when receiving PACKAGE_CHANGED intents.

Since which WebView implementation we use depends on whether the
different webview packages are enabled or disabled we should listen to
changes to the enabled-state of our webview packages (to keep the
webview implementation up to date).

Bug: 27340150
Change-Id: Ie384a48424c9138150ddcc9f7bfaf7b82a911f16
1 file changed