Update summary of Gesture

when quick gesture enabled, update summary to reflect correct status

Bug: 138149556
Test: manual & robotest
Change-Id: I072134cd8327ad5eb1d0862604acef83e1bdcec0

src/com/android/settings/aware/AwareFeatureProvider.java

@@ -29,4 +29,8 @@ public interface AwareFeatureProvider {
 
     /** Show information dialog. */
     void showRestrictionDialog(Fragment parent);
+
+    /** Return Quick Gestures Summary. */
+    CharSequence getGestureSummary(Context context, boolean sensorSupported,
+            boolean assistGestureEnabled, boolean assistGestureSilenceEnabled);
 }

src/com/android/settings/aware/AwareFeatureProviderImpl.java

@@ -34,4 +34,10 @@ public class AwareFeatureProviderImpl implements AwareFeatureProvider {
     @Override
     public void showRestrictionDialog(Fragment parent) {
     }
+
+    @Override
+    public CharSequence getGestureSummary(Context context, boolean sensorSupported,
+            boolean assistGestureEnabled, boolean assistGestureSilenceEnabled) {
+        return null;
+    }
 }