Revert "QS: Make it possible to show smaller icons (1/2)"

This reverts commit 49717a444460f1ba2831c4ccac5af7de6dd84b7a.

Conflicts:
	packages/SystemUI/src/com/android/systemui/quicksettings/QuickSettingsTile.java

Change-Id: Ic503005a93cab00f2c86277617047e6081a54e75