Update BUILD.bazel and BUILD.gn (#166)

* Export NonSemantic.ClspvReflection.h for both
* Add exports for the extended instruction sets in the unified1
  directory (for use in SPIRV-Tools)
diff --git a/BUILD.bazel b/BUILD.bazel
index 9c53db3..9cb46bf 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -71,6 +71,46 @@
     srcs = ["include/spirv/spir-v.xml"],
 )
 
+filegroup(
+    name = "spirv_ext_inst_debuginfo_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.debuginfo.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_nonsemantic_clspvreflection_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.nonsemantic.clspvreflection.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_nonsemantic_debugprintf_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.nonsemantic.debugprintf.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_opencl_debuginfo_100_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.opencl.debuginfo.100.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_spv_amd_gcn_shader_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.spv-amd-gcn-shader.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_spv_amd_shader_ballot_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.spv-amd-shader-ballot.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_spv_amd_shader_explicit_vertex_parameter_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.spv-amd-shader-explicit-vertex-parameter.grammar.json"],
+)
+
+filegroup(
+    name = "spirv_ext_inst_spv_amd_shader_trinary_minmax_grammar_unified1",
+    srcs = ["include/spirv/unified1/extinst.spv-amd-shader-trinary-minmax.grammar.json"],
+)
+
 cc_library(
     name = "spirv_common_headers",
     hdrs = [
@@ -81,6 +121,7 @@
         "include/spirv/1.2/GLSL.std.450.h",
         "include/spirv/1.2/OpenCL.std.h",
         "include/spirv/unified1/GLSL.std.450.h",
+        "include/spirv/unified1/NonSemanticClspvReflection.h",
         "include/spirv/unified1/NonSemanticDebugPrintf.h",
         "include/spirv/unified1/OpenCL.std.h",
     ],
diff --git a/BUILD.gn b/BUILD.gn
index 57e35f0..be3f43b 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -33,6 +33,7 @@
     "include/spirv/1.2/spirv.h",
     "include/spirv/1.2/spirv.hpp",
     "include/spirv/unified1/GLSL.std.450.h",
+    "include/spirv/unified1/NonSemanticClspvReflection.h",
     "include/spirv/unified1/NonSemanticDebugPrintf.h",
     "include/spirv/unified1/OpenCL.std.h",
     "include/spirv/unified1/spirv.h",