Add Program Binary test for reinitialization. This test tears down and recreates GL and re-uses the binary in a new GL context. Was meant to reproduce a bug in ANGLE, but the bug had been fixed previously. BUG=angleproject:2010 Change-Id: Ic3a31ac044ef4d794dae14608877b6958452b55e Reviewed-on: https://chromium-review.googlesource.com/519463 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>