Updated RestrictedSwitchPreference

Updated RestrictedSwitchPreference with new policy transparency changes.

Bug: 26763080
Change-Id: I187e38b157cc800626e1fbaffc9a2962a21be3c3
diff --git a/Android.mk b/Android.mk
index 002dee5..f3fff79 100644
--- a/Android.mk
+++ b/Android.mk
@@ -32,6 +32,8 @@
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags sip/proguard.flags
 
+include frameworks/base/packages/SettingsLib/common.mk
+
 include $(BUILD_PACKAGE)
 
 # Build the test package