Update to 5.0 r7

Change-Id: I3c789d96c1a2c7f3df497a0de796832221450a40
Replace frameworks/opt/net/wifi/ path to new repository android_frameworks_opt_net_wifi

Change-Id: I8e148d5a078c610a0270e71727cfe7adacd61958
android: we need our own libjpeg

Change-Id: I766973d74367b35ac366277ae2d86333002dad25
Merge branch 'android-5.0' of https://github.com/omnirom/android into android-5.0
use hack

Change-Id: I4a0394945da8fbbb5a665ebef072f806f9a375b9