Fix 5907237: dismiss keyguard after the camera app launches.

This fixes a bug where either the home screen or the last app run shows
briefly while we wait for the camera app to launch.  Instead, we have
ActivityManager dismiss keyguard once the camera app is up and running.

Change-Id: I1c2986ad84024dce675216a76c19c937c3e2828d
1 file changed