Changes to installed app details screen for instant apps

Bug: 35098444
Test: make RunSettingsRoboTests

This implements the following changes to the app details screen:

-Suppresses the "Uninstall" and "Force Stop" buttons
-Adds "Install app" and "Clear app" buttons
-Adds a mechanism for showing a link to the store's app details
 page that can be different from the default for installed apps.

Change-Id: Icea83f7d1fde62d4101cb0c8a6d03849f6c56bca

src/com/android/settings/applications/ApplicationFeatureProviderImpl.java

@@ -29,6 +29,7 @@ import android.os.UserManager;
 import android.util.ArraySet;
 import android.view.View;
 
+import com.android.settings.applications.instantapps.InstantAppButtonsController;
 import com.android.settings.enterprise.DevicePolicyManagerWrapper;
 
 import java.util.List;
@@ -56,6 +57,12 @@ public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvide
         return new AppHeaderController(mContext, fragment, appHeader);
     }
 
+    @Override
+    public InstantAppButtonsController newInstantAppButtonsController(Fragment fragment,
+            View view) {
+        return new InstantAppButtonsController(mContext, fragment, view);
+    }
+
     @Override
     public void calculateNumberOfPolicyInstalledApps(boolean async, NumberOfAppsCallback callback) {
         final AllUserPolicyInstalledAppCounter counter =