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-enable-bits-pixel-location-negate-not-equal-one
dEQP-VK.graphicsfuzz.cov-fragcoord-and-one-or-same-value
dEQP-VK.graphicsfuzz.cov-fragcoord-loop-limit-negative-decrease-sum-first-iteration
dEQP-VK.graphicsfuzz.cov-function-call-twice-clamp-global-variable
dEQP-VK.graphicsfuzz.cov-function-loop-variable-multiplied-unused
dEQP-VK.graphicsfuzz.cov-loop-array-element-bitfield-insert-undefined-never-read
dEQP-VK.graphicsfuzz.cov-loop-find-lsb-eight-fragcoord-never-discard
dEQP-VK.graphicsfuzz.cov-loop-index-array-max-negative-zero
dEQP-VK.graphicsfuzz.cov-loop-max-divide-integer-by-ten
dEQP-VK.graphicsfuzz.cov-loop-sampled-texel-integer-counter
dEQP-VK.graphicsfuzz.cov-loop-variable-less-than-itself
dEQP-VK.graphicsfuzz.cov-mix-uninitialized-float-never-selected
dEQP-VK.graphicsfuzz.cov-nested-loop-decrease-vector-components
dEQP-VK.graphicsfuzz.cov-nested-loops-while-condition-integer-range-increment-variable
dEQP-VK.graphicsfuzz.cov-uadd-carry-bit-count-index-array

Change-Id: I4160d3418b1a8fa3a29695f939af6aa79ded319d