Disable global share context lock for non-Android build Bug: chromium:1446878 Change-Id: I32d77053f5f41c947ed841d1b738245c626ea1f2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4570963 Commit-Queue: Peng Huang <penghuang@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Auto-Submit: Peng Huang <penghuang@chromium.org>