Revert "Revert "Hide unwinder symbols in each binary.""

Bug: 18471342
Bug: 19958712
This reverts commit 61f675bb53f31fb2500fc135603ca7a5f7620d8e.

Change-Id: I87d3655d1238a9cf26d96dcb0665ba5110931800
(cherry picked from commit 686a5576890b3d5ea48ddc9da52b0c8aca75f876)
1 file changed