Add UBSAN testing

[jpr42]

Similar to the existing address sanitization and thread sanitization it's worth adding undefined behavior sanitization testing:
https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html

Running VVL tests with UBSAN does show failing tests.

Here is an example:

[ RUN      ] NegativeCommand.MultiDraw
/home/juaramos/projects/Vulkan-ValidationLayers/layers/core_checks/cc_drawdispatch.cpp:284:96: runtime error: member access within misaligned address 0x7ffdc5bf777d for type 'const struct VkMultiDrawIndexedInfoEXT', which requires 4 byte alignment
0x7ffdc5bf777d: note: pointer points here
 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  00 00 00 00 01 00 00 00  00 00 00 00 00 00 00 00  00
             ^ 
Command "/home/juaramos/projects/Vulkan-ValidationLayers/build-ci/install/bin/vk_layer_validation_tests" failed with return code -6

NOTE: This doesn't need to be a new CI pass. This can just be added to ASAN testing.

GCC / Clang accept the following: -fsanitize=address,undefined.

NOTE: I had to set the environment variable UBSAN_OPTIONS to abort_on_error=1:halt_on_error=1 to get lldb to quickly point me to the exact problem when running the tests in vscode.