Add parameter for shared namespaces

Shared namespaces are used for bundled app classloaders.

Bug: http://b/22548808
Bug: http://b/26165097
Change-Id: I163033f70c50ef9ddb4164676c033ab30748964e
(cherry picked from commit ef4639c1a5159726797dec719d84e3a88e96f8a0)
2 files changed