Reset GrGLGpu::fBoundDrawFramebuffer on resetContext

Change-Id: I873fc46cf68eaa49cf74270f8e0ac9282a19542e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273804
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
1 file changed