Add a batch of GraphicsFuzz coverage tests

Add a batch of GraphicsFuzz coverage tests

This commit adds a batch of GraphicsFuzz coverage tests.

Components: Vulkan

New Tests:

dEQP-VK.graphicsfuzz.cov-function-nested-loops-limit-uniform-xor-uniform
dEQP-VK.graphicsfuzz.cov-loop-array-index-decrement-never-negative
dEQP-VK.graphicsfuzz.cov-loop-condition-filter-some-iterations-never-discard
dEQP-VK.graphicsfuzz.cov-loop-increase-iterator-condition-uniform-copy-array-elements
dEQP-VK.graphicsfuzz.cov-loop-iterator-plus-one-variable-outside-index-array
dEQP-VK.graphicsfuzz.cov-loop-limiter-min-findlsb
dEQP-VK.graphicsfuzz.cov-loop-limiter-uniform-bitwise-and-one-always-break
dEQP-VK.graphicsfuzz.cov-loop-replace-output-color-restore-original
dEQP-VK.graphicsfuzz.cov-negative-integer-bitwise-or-uniform-increment-loop
dEQP-VK.graphicsfuzz.cov-nested-loops-copy-array-elements-skip-first
dEQP-VK.graphicsfuzz.cov-nested-loops-fragcoord-never-return-descending-loop
dEQP-VK.graphicsfuzz.cov-nested-loops-global-loop-counter-output-color-from-backup
dEQP-VK.graphicsfuzz.cov-nested-loops-identical-iterator-names-multiply-divide
dEQP-VK.graphicsfuzz.cov-two-functions-modify-struct-array-element-return-from-loop
dEQP-VK.graphicsfuzz.cov-vec2-dot-max-uniform

Change-Id: I3694d496c3e26f4fc429ac69161bb49d1cb6e9b8