Add examples for EXTRA_PERMISSION_GROUP_NAME and EXTRA_ATTRIBUTION_TAGS

Fix: 184890546

Test: N/A
Change-Id: I900995fc9d78da87a17013aaa56c86453eef7fb8

core/java/android/content/Intent.java

@@ -2189,6 +2189,8 @@ public class Intent implements Parcelable, Cloneable {
      * Type: String
      * </p>
      *
+     * E.g. {@link android.Manifest.permission_group.CONTACTS}
+     *
      * @hide
      */
     @SystemApi
@@ -5339,6 +5341,8 @@ public class Intent implements Parcelable, Cloneable {
      * A String[] holding attribution tags when used with
      * {@link #ACTION_VIEW_PERMISSION_USAGE_FOR_PERIOD}
      *
+     * E.g. an attribution tag could be location_provider, com.google.android.gms.*, etc.
+     *
      * @hide
      */
     @SystemApi