PackageManager: Fix reconnection logic in Installer.

Change-Id: Id4b352647ed51aaf64bb85dff9030a25e295758f
Fix calculation of next DateChangedEvent time

Calendar.HOUR indicates the hour of the morning or afternoon. In the
morning this is no problem, but if this method is called after noon, it
will schedule the alarm for 12:00 the next day instead of 00:00.

Change-Id: Ibce239a6c7a41df85cf0c6ca3f45871a581eb7d9
Revert "[Navigation bar] Allow "right to left" gesture to launch search panel"

This reverts commit ec7a63b55a1ad7e0c5dd602b4e5992b9e1566df3.