Make include_dirs and local_include_dirs configurable

Requested by a user.

Fixes: 377540448
Test: m nothing --no-skip-soong-tests
Change-Id: I59e49c68e1d47ee0914677714cedcddf624903e6
diff --git a/cc/compiler.go b/cc/compiler.go
index 9c2dc2d..c8c83d9 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -78,11 +78,11 @@
 	// If possible, don't use this.  If adding paths from the current directory use
 	// local_include_dirs, if adding paths from other modules use export_include_dirs in
 	// that module.
-	Include_dirs []string `android:"arch_variant,variant_prepend"`
+	Include_dirs proptools.Configurable[[]string] `android:"arch_variant,variant_prepend"`
 
 	// list of directories relative to the Blueprints file that will
 	// be added to the include path using -I
-	Local_include_dirs []string `android:"arch_variant,variant_prepend"`
+	Local_include_dirs proptools.Configurable[[]string] `android:"arch_variant,variant_prepend"`
 
 	// Add the directory containing the Android.bp file to the list of include
 	// directories. Defaults to true.
@@ -406,13 +406,13 @@
 	}
 
 	// Include dir cflags
-	localIncludeDirs := android.PathsForModuleSrc(ctx, compiler.Properties.Local_include_dirs)
+	localIncludeDirs := android.PathsForModuleSrc(ctx, compiler.Properties.Local_include_dirs.GetOrDefault(ctx, nil))
 	if len(localIncludeDirs) > 0 {
 		f := includeDirsToFlags(localIncludeDirs)
 		flags.Local.CommonFlags = append(flags.Local.CommonFlags, f)
 		flags.Local.YasmFlags = append(flags.Local.YasmFlags, f)
 	}
-	rootIncludeDirs := android.PathsForSource(ctx, compiler.Properties.Include_dirs)
+	rootIncludeDirs := android.PathsForSource(ctx, compiler.Properties.Include_dirs.GetOrDefault(ctx, nil))
 	if len(rootIncludeDirs) > 0 {
 		f := includeDirsToFlags(rootIncludeDirs)
 		flags.Local.CommonFlags = append(flags.Local.CommonFlags, f)
@@ -805,7 +805,7 @@
 type RustBindgenClangProperties struct {
 	// list of directories relative to the Blueprints file that will
 	// be added to the include path using -I
-	Local_include_dirs []string `android:"arch_variant,variant_prepend"`
+	Local_include_dirs proptools.Configurable[[]string] `android:"arch_variant,variant_prepend"`
 
 	// list of Rust static libraries.
 	Static_rlibs []string `android:"arch_variant,variant_prepend"`
diff --git a/rust/bindgen.go b/rust/bindgen.go
index a692826..2df0f1f 100644
--- a/rust/bindgen.go
+++ b/rust/bindgen.go
@@ -250,7 +250,7 @@
 
 	// Module defined clang flags and include paths
 	cflags = append(cflags, esc(cflagsProp)...)
-	for _, include := range b.ClangProperties.Local_include_dirs {
+	for _, include := range b.ClangProperties.Local_include_dirs.GetOrDefault(ctx, nil) {
 		cflags = append(cflags, "-I"+android.PathForModuleSrc(ctx, include).String())
 		implicits = append(implicits, android.PathForModuleSrc(ctx, include))
 	}