Changes:
    7845730ca Bump revision to 4, for SPIR-V 1.5.
    05836bdba Add SPV_EXT_shader_image_int64 (#170)
    be32cb6c8 Added SPV_KHR_fragment_shading_rate (#172)
    c43a43c7c  Register the Xenia emulator as a generator (#171)
    d4e76fb32 Register the Messiah SPIR-V CodeGen (#169)
    060627f0b Register the ANGLE compiler (#168)
    03a842f95 Rebuild of latest headers, which slightly moves OpTerminateInvocation
    3fdabd0da Reserve SPIR-V token range for upcoming Intel extensions. (#165)
    5538bf438 Update BUILD.bazel and BUILD.gn (#166)
    96013f32b Publish the headers for the clspv embedded reflection non-semantic extended instruction set (#164)
    76afa6397 Update the registry in spir-v.xml to modernize and split out opcodes. (#156)

Commands:
    ./third_party/update-spirvheaders.sh

Bug: b/123642959
Change-Id: I68027fa8e2770cac37af6d648fbb655b2112ee88