tf700t|tf300t: enable asusdec/keyhandler

Change-Id: I16de7d3c37b9f625a997547fa1465529f38fcd65

Conflicts:

	asusdec/jni/Android.mk
	asusdec/jni/com_cyanogenmod_asusdec_AsusdecNative.cpp
	overlay/frameworks/base/core/res/res/values/config.xml
Wifi fixes

Change-Id: Ic45684902f81ba0d3184eadad36418af70b47ab8
tf700t|tf300t: libhealthd: Add dock battery support

Added a new HAL for libhealthd and removes the obsole asusdec one

Dock battery patchset chain:
base: http://review.cyanogenmod.org/#/c/55349/
native: http://review.cyanogenmod.org/#/c/55028/
healthd: http://review.cyanogenmod.org/#/c/55029/
settings: http://review.cyanogenmod.org/#/c/55212/
tf700t: http://review.cyanogenmod.org/#/c/55030/

Video (battery styles): https://www.dropbox.com/s/a7dp3glb7lv1zcg/dock_sdcard01.mp4
Screenshots:
 * No dock: https://www.dropbox.com/s/2yvngdaqok32xiz/dock_sdcard01.png?m=
 * No charging: https://www.dropbox.com/s/ezghtgoedei17oj/dock_sdcard02.png?m=
 * Docked no charging: https://www.dropbox.com/s/7fasc05fw5ylfxi/dock_sdcard03.png?m=
 * Docked charging: https://www.dropbox.com/s/x37vrhxzd075f7p/dock_sdcard04.png?m=

Change-Id: I6c29e2728959d5624e8f9a110eecdc79a770ae15
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Conflicts:

	BoardConfig.mk