Include user identifier in external storage paths.

When building external storage paths, always include user in path
to enable cross-user paths and aid debugging.

Bug: 7131382
Change-Id: I28f3e17a7324eb251caf83aa81f7740aa857d248
diff --git a/init.grouper.rc b/init.grouper.rc
index 353aabe..94549e5 100644
--- a/init.grouper.rc
+++ b/init.grouper.rc
@@ -5,20 +5,23 @@
 
 on init
     # See storage config details at http://source.android.com/tech/storage/
-    mkdir /mnt/shell/sdcard0 0700 shell shell
-    mkdir /storage/sdcard0 0000 root root
+    mkdir /mnt/shell/emulated 0700 shell shell
+    mkdir /storage/emulated 0000 root root
+    mkdir /storage/emulated_legacy 0000 root root
 
-    export EXTERNAL_STORAGE /storage/sdcard0
-    export ADB_EXTERNAL_STORAGE /mnt/shell/sdcard0/0
-    export MULTIUSER_EXTERNAL_STORAGE /mnt/shell/sdcard0
+    export EXTERNAL_STORAGE /storage/emulated_legacy
+    export ADB_EXTERNAL_STORAGE /mnt/shell/emulated/0
+
+    export EMULATED_STORAGE_SOURCE /mnt/shell/emulated
+    export EMULATED_STORAGE_TARGET /storage/emulated
 
     # Support legacy paths
-    symlink /storage/sdcard0 /sdcard
-    symlink /storage/sdcard0 /mnt/sdcard
+    symlink /storage/emulated_legacy /sdcard
+    symlink /storage/emulated_legacy /mnt/sdcard
 
     # Save bugreports as owner
-    export BUGREPORT_WRITE_PATH /mnt/shell/sdcard0/0
-    export BUGREPORT_READ_PATH /storage/sdcard0
+    export BUGREPORT_WRITE_PATH /mnt/shell/emulated/0
+    export BUGREPORT_READ_PATH /storage/emulated
 
 on early-boot
     write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor interactive
@@ -293,7 +296,7 @@
 #Sensor load calibration files end
 
 # virtual sdcard daemon running as media_rw (1023)
-service sdcard /system/bin/sdcard /data/media /mnt/shell/sdcard0 1023 1023
+service sdcard /system/bin/sdcard /data/media /mnt/shell/emulated 1023 1023
     class late_start
 
 # bugreport is triggered by the VOLUME-DOWN and VOLUME-UP keys