Revert "Telephony: Rewrite Quiet Hours (1/3)"

This reverts commit 216823d36dcb43e36242d9db267fa5884c72b9fc.
Revert "Telephony:  Add transparency to Glowpad background [3/3]"

This reverts commit 324336c4e4f24ce6bf6eb401cecba6219b596a1e.

Conflicts:

	res/values/schism_strings.xml
	src/com/android/phone/CallFeaturesSetting.java
Make incoming call screen style configurable (3/3)

Change-Id: I9ee4388214cddd93f045324323a93c3af79ec4fd

Conflicts:

	res/values/schism_strings.xml
Don't overzealously disable all preferences in airplane mode.

Only disable those prefs that actually need the network connection.
Fixes applying various preference summaries.

Change-Id: Id89a2572e382b28c1da100ebb1a1a73eb9233e35