Bug 919982: fork device/generic/goldfish for multisim

Change-Id: I02204d268a4549799603423e8fb5ffe24ab4f454
Fix gtest breaking B2G build.

Port from this patch:
https://github.com/past/b2g-manifest/commit/5b090e3220ea9d1d2c72663f749fae1e7f56fba3
Merge branch 'master' of https://git.mozilla.org/b2g/b2g-manifest into default
Merge pull request #108 from josteink/master

Bug 923032 - Fix gtest breaking Galaxy Nexus B2G build.
Add missing jhead dependency.
Merge pull request #113 from josteink/master

Bug 926609 - Add missing jhead dependency.
Add manifest for flo (Nexus 7 2013)

Signed-off-by: Vojtech Bocek <vbocek@gmail.com>
Merge pull request #114 from Tasssadar/master

Add manifest for flo (Nexus 7 2013)
Merge branch 'master' of https://git.mozilla.org/b2g/b2g-manifest into default