Chargeled & Symlink

Add Chargeled from vigor repo https://github.com/vigor/device_htc_vigor/commit/12bd3d9a23d5d877a9c36becb314dc23c83939cd
Show external storage usage info correctly with symlink
https://github.com/LiquidSmooth/android_packages_apps_Settings/blob/kitkat3/src/com/android/settings/PartitionInfo.java#L88

Change-Id: Idce7234a7f78d7d6d3bddd1fec7b51747cfb1879