Create SettingsLib

This will hold common code that SystemUI and Settings (and others)
will share.

Bug: 19180466
Change-Id: I6614b31d6c3b0a2d426a2aa8ce66725245339d22
diff --git a/packages/SystemUI/tests/Android.mk b/packages/SystemUI/tests/Android.mk
index 5a90324..6a7201c 100644
--- a/packages/SystemUI/tests/Android.mk
+++ b/packages/SystemUI/tests/Android.mk
@@ -36,4 +36,6 @@
 # UI it doesn't own. This is necessary to allow screenshots to be taken
 LOCAL_CERTIFICATE := platform
 
+include frameworks/base/packages/SettingsLib/common.mk
+
 include $(BUILD_PACKAGE)