Add support for external dock batteries

Allows the external battery status to be read via framework.

Change-Id: I1340071cecab8f1733e58e4f3ba0d304f861f311
frameworks: base: add storage_sd_dock_card string

* For Asus dock sdcards.

Change-Id: Ibe6336d4073e8e4f6c357b47bd980526a6789040
frameworks/base: support devices with SoftAp that don't require firmware reload

Partial forward port from ICS.
Original Change-Id: If2db6e8ce675c3214ce645231c7a354f41ea0cc6

Change-Id: Iacb2498ec0f567a0a7c4e0dbf9127b70f09223bd

Conflicts:

	core/res/res/values/public.xml
	services/java/com/android/server/NetworkManagementService.java
Merge remote branch 'cyan/cm-10.1' into cm-10.1