CMakeLists: Treat ignored-qualifiers warnings as errors.
CMakeLists: Treat ignored-qualifiers warnings as errors.

Android builds fail for this warning.

Bug: b/130335507
Bug: b/130461662
Change-Id: I2c5be9199f9a393d477345c194cdf940cc7404eb
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/29870
Reviewed-by: Chris Forbes <c3279c50043e18e9442c1ae071cafa0e7a4ca967@google.com>
Kokoro-Presubmit: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Tested-by: Ben Clayton <1f693eb7158dc33015048c09d6712f74dabddf79@google.com>

bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader,google/swiftshader