TelephonyManager: isSmsCapable: respect telephony properties

The 2 telephony properties override if SMS send/receive is enabled
in the telephony code. Also respect them for the isSmsCapable API.

Use case: Acer A700/701 (Wi-Fi only/3G) share the same build

Change-Id: Iaa1b45c62fa5a48a4c4a222d5e47980dd1678d48
Don't show notification count for a notification with just one item

For example, the Play Store sets the number attribute to 1 for a single
app update. No point in showing a counter for that.

Change-Id: I818622419f4f043fa8f04339ab24744aca7c1584

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java