Always build mk2rbc/rbcrun

Currently, mk2rbc/rbcrun aren't built in certain phases
of the build, which causes the Starlark product configuration
to fail when using get_build_var if a regular build hasn't
been run before.

Bug: 226677850
Test: Manually
Change-Id: If85608eef63be25fddc4d916c82247c13eb0195f
diff --git a/scripts/microfactory.bash b/scripts/microfactory.bash
index 5e702e0..192b38f 100644
--- a/scripts/microfactory.bash
+++ b/scripts/microfactory.bash
@@ -59,7 +59,7 @@
     BUILDDIR=$(getoutdir) \
       SRCDIR=${TOP} \
       BLUEPRINTDIR=${TOP}/build/blueprint \
-      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path google.golang.org/protobuf=${TOP}/external/golang-protobuf" \
+      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path rbcrun=${TOP}/build/make/tools/rbcrun -pkg-path google.golang.org/protobuf=${TOP}/external/golang-protobuf -pkg-path go.starlark.net=${TOP}/external/starlark-go" \
       build_go $@
 }
 
diff --git a/scripts/rbc-run b/scripts/rbc-run
index b8a6c0c..8d93f0e 100755
--- a/scripts/rbc-run
+++ b/scripts/rbc-run
@@ -6,8 +6,8 @@
 set -eu
 
 declare -r output_root="${OUT_DIR:-out}"
-declare -r runner="${output_root}/soong/rbcrun"
-declare -r converter="${output_root}/soong/mk2rbc"
+declare -r runner="${output_root}/rbcrun"
+declare -r converter="${output_root}/mk2rbc"
 declare -r launcher="${output_root}/rbc/launcher.rbc"
 declare -r makefile_list="${output_root}/.module_paths/configuration.list"
 declare -r makefile="$1"
diff --git a/soong_ui.bash b/soong_ui.bash
index c1c236b..49c4b78 100755
--- a/soong_ui.bash
+++ b/soong_ui.bash
@@ -53,6 +53,8 @@
 source ${TOP}/build/soong/scripts/microfactory.bash
 
 soong_build_go soong_ui android/soong/cmd/soong_ui
+soong_build_go mk2rbc android/soong/mk2rbc/cmd
+soong_build_go rbcrun rbcrun/cmd
 
 cd ${TOP}
 exec "$(getoutdir)/soong_ui" "$@"
diff --git a/tests/lib.sh b/tests/lib.sh
index 55f9ab4..1bb2df9 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -83,12 +83,14 @@
 function create_mock_soong {
   copy_directory build/blueprint
   copy_directory build/soong
+  copy_directory build/make/tools/rbcrun
 
   symlink_directory prebuilts/go
   symlink_directory prebuilts/build-tools
   symlink_directory prebuilts/clang/host
   symlink_directory external/go-cmp
   symlink_directory external/golang-protobuf
+  symlink_directory external/starlark-go
 
   touch "$MOCK_TOP/Android.bp"
 }
diff --git a/ui/build/dumpvars.go b/ui/build/dumpvars.go
index 3f10f75..11311f9 100644
--- a/ui/build/dumpvars.go
+++ b/ui/build/dumpvars.go
@@ -262,12 +262,6 @@
 		"BUILD_BROKEN_USES_BUILD_STATIC_LIBRARY",
 	}, exportEnvVars...), BannerVars...)
 
-	// We need Roboleaf converter and runner in the mixed mode
-	runMicrofactory(ctx, config, "mk2rbc", "android/soong/mk2rbc/cmd",
-		map[string]string{"android/soong": "build/soong"})
-	runMicrofactory(ctx, config, "rbcrun", "rbcrun/cmd",
-		map[string]string{"go.starlark.net": "external/starlark-go", "rbcrun": "build/make/tools/rbcrun"})
-
 	makeVars, err := dumpMakeVars(ctx, config, config.Arguments(), allVars, true, "")
 	if err != nil {
 		ctx.Fatalln("Error dumping make vars:", err)