Fix wifi startup timing issue

Bug: 17358965
Change-Id: Iacafcf1a1a9fed9755912b591eacdefd6992b088
remove /dev/diag node

Bug: 18203257
Change-Id: I7b9a2bdf0df6511317d59aa13fc187ab38795481
merge in lmp-release history after reset to lmp-dev
merge in lmp-release history after reset to lmp-dev
Move wifi setup script from main to late_start

Bug: 17358965
Change-Id: Ia4d2d99228cdf4a253c6ce06db7b621c618634cb
Merge tag 'android-5.0.0_r6' of https://android.googlesource.com/device/lge/mako into hazypop

Android 5.0.0 release 6

# gpg: error loading `iconv.dll': Impossibile trovare il modulo specificato.
#
# gpg: please see http://www.gnupg.org/download/iconv.html for more information
# gpg: Signature made 11/14/14 19:16:58 using DSA key ID 9AB10E78
# gpg: Can't check signature: public key not found