Add Process.MEDIA_RW_GID constant

Change-Id: I2358e5ef1e55ee4b1b9725451ce06cfbf3ed54a4
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 507cfab..0c6ab9e 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -98,6 +98,12 @@
     public static final int NFC_UID = 1022;
 
     /**
+     * Defines the GID for the group that allows write access to the internal media storage.
+     * @hide
+     */
+    public static final int MEDIA_RW_GID = 1023;
+
+    /**
      * Defines the start of a range of UIDs (and GIDs), going from this
      * number to {@link #LAST_APPLICATION_UID} that are reserved for assigning
      * to applications.