build: disable additional pieces for the build tools phase

This reduces the configure time and reduces the pieces that may check
for dependencies as we are growing the dependencies on Swift.

Author: compnerd

utils/build.ps1

@@ -812,10 +812,14 @@ function Build-BuildTools($Arch) {
       LLVM_EXTERNAL_SWIFT_SOURCE_DIR = "$SourceCache\swift";
       SWIFT_BUILD_DYNAMIC_SDK_OVERLAY = "NO";
       SWIFT_BUILD_DYNAMIC_STDLIB = "NO";
+      SWIFT_BUILD_LIBEXEC = "NO";
       SWIFT_BUILD_REMOTE_MIRROR = "NO";
+      SWIFT_BUILD_SOURCEKIT = "NO";
       SWIFT_BUILD_STATIC_SDK_OVERLAY = "NO";
       SWIFT_BUILD_STATIC_STDLIB = "NO";
+      SWIFT_INCLUDE_APINOTES = "NO";
       SWIFT_INCLUDE_DOCS = "NO";
+      SWIFT_INCLUDE_TESTS = "NO";
       SWIFT_PATH_TO_LIBDISPATCH_SOURCE = "$SourceCache\swift-corelibs-libdispatch";
       SWIFT_PATH_TO_SWIFT_SYNTAX_SOURCE = "$SourceCache\swift-syntax";
     }