Support dialog disclaimer text now appears properly

The string override between Settings and SettigsGoogle was not properly
distinguishing, and was defaulting to the AOSP version.

Bug: 31827726
Test: Manual
Change-Id: Iebd8681fb4f040e956f05fb0f5d96deae9eec26f

src/com/android/settings/overlay/SupportFeatureProvider.java

@@ -137,4 +137,9 @@ public interface SupportFeatureProvider {
      * Returns an intent that will launch the tips and tricks UI.
      */
     Intent getTipsAndTricksIntent(Context context);
+
+    /**
+     * Returns the string for the disclaimer in the Support dialog
+     */
+    String getDisclaimerString();
 }