Add suppression for handle leaks from AllocateLockedDiscardableSharedMemory
Add suppression for handle leaks from AllocateLockedDiscardableSharedMemory

TBR=erikchen@chromium.org
BUG=580636

Review URL: https://codereview.chromium.org/1661023002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#373263}

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