CL/VK: Hotfix: Implementation of Compute Pipeline Cache Unnecessary "new" that was leaking when moving raw ptr to cache map. Easy fix is to stack allocate and std::move the object to container when finished initializing. Bug: angleproject:391672281 Change-Id: I7b0f922de2a1332e8e452e87bc498d3c9907d7d8 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6214690 Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Yuly Novikov <ynovikov@chromium.org>