Settings: Disable search item in some fragments.

Change-Id: I17ed6945f34f2fe7bb18674124f8a8989145b8c1

Conflicts:
	src/com/android/settings/Settings.java
Settings: Always show search on multipane devices.

    - Disable in more fragments for clean up.

Change-Id: Ia82f89ca8394e9d3dcf7dc80d2dfccdbe6fa9bc7