Adds an explicit type for GeolocationPermissions.getOrigins.

This is a partial fix for bug http://b/issue?id=2271636

Change-Id: If7c51332b8051ce2426d67962cb1cf2a9cb0f280
diff --git a/src/com/android/browser/BrowserPreferencesPage.java b/src/com/android/browser/BrowserPreferencesPage.java
index fb0b2ba..1370722 100644
--- a/src/com/android/browser/BrowserPreferencesPage.java
+++ b/src/com/android/browser/BrowserPreferencesPage.java
@@ -98,8 +98,8 @@
                 }
             }
         });
-        GeolocationPermissions.getInstance().getOrigins(new ValueCallback<Set>() {
-            public void onReceiveValue(Set geolocationOrigins) {
+        GeolocationPermissions.getInstance().getOrigins(new ValueCallback<Set<String> >() {
+            public void onReceiveValue(Set<String> geolocationOrigins) {
                 if ((geolocationOrigins != null) && !geolocationOrigins.isEmpty()) {
                     websiteSettings.setEnabled(true);
                 }