Revert "Revert "Add support for gid derivation on private volumes""
am: 958c216d87

Change-Id: Ic75b411b3aec784cdc19db3e5bedda7cd21a5306
diff --git a/model/EmulatedVolume.cpp b/model/EmulatedVolume.cpp
index d73a8fa..d40cf3f 100644
--- a/model/EmulatedVolume.cpp
+++ b/model/EmulatedVolume.cpp
@@ -85,6 +85,7 @@
                 "-g", "1023", // AID_MEDIA_RW
                 "-m",
                 "-w",
+                "-G",
                 mRawPath.c_str(),
                 label.c_str(),
                 NULL)) {