Tests: offscreen trace replay uses a single EGL context diablo_immortal changes the context by calling eglMakeCurrent which causes a failure during offscreen -> onscreen blit. Restore the context to the original one during offscreen handling. Bug: b/370089935 Change-Id: Ie501a66b14beef5b27b8f16ff63b6fd3f3c0a338 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5990995 Commit-Queue: Cody Northrop <cnorthrop@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Roman Lavrov <romanl@google.com> Reviewed-by: Mark Łobodziński <mark@lunarg.com> Auto-Submit: Roman Lavrov <romanl@google.com>