tree eff8fe9ac0cd22a2d84c9ca1b33211e77a3e55cf
parent 7b06ff8917ad3e0b183fcf2caabdf6c89fdc936c
author Yuxuan 'fishy' Wang <fishywang@google.com> 1436221061 -0700
committer Yuxuan 'fishy' Wang <fishywang@google.com> 1436221061 -0700

Expand the access privilege of plugin classes.

Plugin and PluginGuiceEnvironment can be useful outside of its own
package, so expand the access privilege of their methods.

Change-Id: I9bbdd408c22b237247393131ccd0a0f9c766e637