Fix bug when rebind the same buffer not pick up the change Buffer is modified in one context and rebind the same buffer on the second context should pick up the buffer changes. Bug: b/433331119 Change-Id: I8085fe826c339692881f2d3d6515efb19bbc4a88 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6825767 Commit-Queue: Charlie Lao <cclao@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com>