Replace nn::NativeHandle with nn::SharedHandle

Bug: 160669116
Test: mma
Change-Id: I73b2b93aab6cbf37d3c145e15ee9ae45228954f1
Merged-In: I73b2b93aab6cbf37d3c145e15ee9ae45228954f1
(cherry picked from commit d4290b8bf8f9da1b7b34db3963762810258b132e)
17 files changed