Moved MojoBootstrapResult to its own file

This is needed due to a prior ARC specific change that lives in master.

Change-Id: I81204a969d52d3bbffc63a6b008c7156a1215f5d
(cherry picked from commit 1462e76c5ba8f1bef951f482c8fc0f85e2ba94b3)
1 file changed