GN: Stage dependencies for nacl-glibc PPAPI test executable
GN: Stage dependencies for nacl-glibc PPAPI test executable

The PPAPINaClGLibcTest cases all require shared library dependencies
to be staged adjacent to the ppapi_nacl_tests_glibc.nmf file.
This was broken by commit 998705e.

BUG=462791
R=bbudge@chromium.org, phosek@chromium.org

Review URL: https://codereview.chromium.org/1462863003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#360695}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk