It seems that vkCmdCopyBuffer on Windows with Intel GPU neglects
the last region when given more than one. Work around that in
LineLoopHelper::getIndexBufferForElementArrayBuffer() by adding an
unused region. Enable corresponding test.
BUG=angleproject:2838
Change-Id: I8847c7b2cfdb94526d4d28ba5bf1f162da3a1ed4
Reviewed-on: https://chromium-review.googlesource.com/1238887Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Frank Henigman <fjhenigman@chromium.org>
