Linux: simplify dump_app_syms since newer versions of Breakpad no longer generates different signatures for stripped/unstripped binaries.
Linux: simplify dump_app_syms since newer versions of Breakpad no longer generates different signatures for stripped/unstripped binaries.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/1627001

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@43724 0039d316-1c4b-4281-b951-d872f2087c98

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