Refactor Move EventServer and EventObserver

[DO NOT MERGE]

-Move these to the .events package

Bug: 26338318
Change-Id: I1f6b3711f4c139dcacfa520fd732e61693d502a5
5 files changed
tree: dac0b5b94f28f7c819c9241b5f5f42be9f6b9f01
  1. sl4a/
  2. sl4n/