Revert "Mark contexts as shared when importing EGL images." This reverts commit e18240d136d15e5cdfa4fa4a6355ca21c8d807b6. Reason for revert: Applications not responding in AOSP: https://buganizer.corp.google.com/issues/229807074 Original change's description: > Mark contexts as shared when importing EGL images. > > Once a context references an EGL image, it can share resources with > contexts in other share groups. Marking the context as shared ensures > that locks are held by all contexts referencing EGL images for GL > functions. > > Bug: angleproject:6957 > Change-Id: Ic3901c458f388306c59f6bb01560a7c66d0574c0 > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3424659 > Reviewed-by: Jamie Madill <jmadill@chromium.org> > Reviewed-by: mohan maiya <m.maiya@samsung.com> > Commit-Queue: Geoff Lang <geofflang@chromium.org> Test: CtsWindowManagerDeviceTestCases Bug: b/229807074 Change-Id: I5b7050bd68f67925f77242e483e2aa970ed0ca17 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3602954 Commit-Queue: Cody Northrop <cnorthrop@google.com> Auto-Submit: Cody Northrop <cnorthrop@google.com> Reviewed-by: Lingfeng Yang <lfy@google.com> Commit-Queue: Lingfeng Yang <lfy@google.com>