frameworks/base: support devices with SoftAp that don't require firmware reload

Partial forward port from ICS.

P2: Rebased

Change-Id: Iacb2498ec0f567a0a7c4e0dbf9127b70f09223bd

Conflicts:

	core/res/res/values/symbols.xml
	services/java/com/android/server/NetworkManagementService.java

Signed-off-by: rohan <rohanmathur34@gmail.com>
Change-Id: Icabf7a1a844c44074bfb07b730d9b0bb90d444f3