Backed out 7 changesets (bug 907585, bug 873351, bug 864485) for making phones unbootable.

Backed out changeset 001a849303de (bug 873351)
Backed out changeset 8020b3013618 (bug 907585)
Backed out changeset 9039460e09c5 (bug 907585)
Backed out changeset 9464e393a501 (bug 907585)
Backed out changeset d6920653de69 (bug 864485)
Backed out changeset 20ef446b27cd (bug 864485)
Backed out changeset e27c780e1ef5 (bug 864485)