Added missing PHONE_STORAGE environment variable and symlink /emmc.

Change-Id: Ib406ea369bd933d9b27381553c53edb6f73f20d1

init.rc

@@ -17,6 +17,7 @@ loglevel 3
     export ANDROID_DATA /data
     export DOWNLOAD_CACHE /cache/download
     export EXTERNAL_STORAGE /mnt/sdcard
+    export PHONE_STORAGE /mnt/emmc
     export ASEC_MOUNTPOINT /mnt/asec
     export LOOP_MOUNTPOINT /mnt/obb
     export SD_EXT_DIRECTORY /sd-ext
@@ -42,6 +43,7 @@ loglevel 3
 
 # Backwards Compat - XXX: Going away in G*
     symlink /mnt/sdcard /sdcard
+    symlink /mnt/emmc /emmc
 
     mkdir /system
     mkdir /data 0771 system system

lpm.rc

@@ -8,11 +8,14 @@ on init
     export ANDROID_ROOT /system
     export ANDROID_DATA /data
     export EXTERNAL_STORAGE /mnt/sdcard
+    export PHONE_STORAGE /mnt/emmc
 
     symlink /system/etc /etc
     mkdir /mnt 0775 root system
     mkdir /mnt/sdcard 0000 system system
+    mkdir /mnt/emmc 0000 system system
     symlink /mnt/sdcard /sdcard
+    symlink /mnt/emmc /emmc
 
     mkdir /preload
     mkdir /system

recovery.rc

@@ -6,6 +6,7 @@ on init
     export ANDROID_ROOT /system
     export ANDROID_DATA /data
     export EXTERNAL_STORAGE /sdcard
+    export PHONE_STORAGE /emmc
 
     symlink /system/etc /etc