[gn build] minimally merge 67b2dbd more

Author: nico

llvm/utils/gn/secondary/clang-tools-extra/clangd/index/dex/dexp/BUILD.gn

@@ -2,6 +2,7 @@ executable("dexp") {
   configs += [ "//llvm/utils/gn/build:clang_code" ]
   deps = [
     "//clang-tools-extra/clangd",
+    "//clang-tools-extra/clangd/index/remote",
     "//clang/lib/Basic",
     "//llvm/lib/LineEditor",
     "//llvm/lib/Support",

llvm/utils/gn/secondary/clang-tools-extra/clangd/index/remote/BUILD.gn

@@ -0,0 +1,10 @@
+source_set("remote") {
+  configs += [ "//llvm/utils/gn/build:clang_code" ]
+  deps = [
+    "//clang-tools-extra/clangd",
+    "//llvm/lib/Support",
+  ]
+  public_deps = [ "//clang-tools-extra/clangd:features" ]
+  include_dirs = [ "../.." ]
+  sources = [ "unimplemented/UnimplementedClient.cpp" ]
+}