This allows EglRenderer to be able to share render thread and EGLContext with others. go/meet-android-eglcontext-reduction Bug: b/225229697 Change-Id: I896c8082ef8b64f5b544fa2eda7303fbca3985d1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/316881 Reviewed-by: Xavier Lepaul <xalep@webrtc.org> Commit-Queue: Linus Nilsson <lnilsson@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40574}