Bug 891217: add emulator-x86-jb. r=mwu

Change-Id: I8e817250f0c2e307b7a97005b3f451cda193da96
Merge pull request #87 from vicamo/bugzilla/891217/emulator-x86-jb

Bug 891217: add emulator-x86-jb. r=mwu
use local codeaurora mirror

Change-Id: I9d43700cff3b1678830adf8c2906748424f17138