Add support for kotlin plugins

Use the already existing hooks used by the compose
compiler plugin to support kotlin plugins bundled
alongside the compiler such as kotlin-serialize-compiler

Test: m, sample app with kotlin-serialize-compiler
Change-Id: I4d5fa6cd42acfc90ef437222e9e07f61c259d565

android/neverallow.go

@@ -61,6 +61,7 @@ func init() {
 	AddNeverAllowRules(createJavaExcludeStaticLibsRule())
 	AddNeverAllowRules(createProhibitHeaderOnlyRule())
 	AddNeverAllowRules(createLimitNdkExportRule()...)
+	AddNeverAllowRules(createKotlinPluginRule()...)
 }
 
 // Add a NeverAllow rule to the set of rules to apply.
@@ -284,6 +285,22 @@ func createLimitNdkExportRule() []Rule {
 	}
 }
 
+func createKotlinPluginRule() []Rule {
+	kotlinPluginProjectsAllowedList := []string{
+		// TODO: Migrate compose plugin to the bundled compiler plugin
+		// Actual path prebuilts/sdk/current/androidx/m2repository/androidx/compose/compiler/compiler-hosted
+		"prebuilts/sdk/current/androidx",
+		"external/kotlinc",
+	}
+
+	return []Rule{
+		NeverAllow().
+			NotIn(kotlinPluginProjectsAllowedList...).
+			ModuleType("kotlin_plugin").
+			Because("kotlin_plugin can only be used in allowed projects"),
+	}
+}
+
 func neverallowMutator(ctx BottomUpMutatorContext) {
 	m, ok := ctx.Module().(Module)
 	if !ok {