Vulkan: warmUpGraphicsPipelineCache(...) shouldn't set state The prepareForWarmUpPipelineCache(...) method would have already setup all necessary state for the warm up task. Make that intent explicit by calling into a method that sets no state. Bug: angleproject:8297 Change-Id: I959d8591045ff05ddb2a410fd0e0eda8dd692d37 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5408796 Reviewed-by: Charlie Lao <cclao@google.com> Commit-Queue: mohan maiya <m.maiya@samsung.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>