Install classpath protobuf files

This is to support etc/classpaths for filesystem modules.

Bug: 337993199
Test: m aosp_cf_system_x86_64
Change-Id: I0d5d3dc8af9646a24c8ae97d4d1418ddb0e5f46b
diff --git a/java/classpath_fragment.go b/java/classpath_fragment.go
index 0ebab4d..07bc5c1 100644
--- a/java/classpath_fragment.go
+++ b/java/classpath_fragment.go
@@ -151,10 +151,14 @@
 	return jars
 }
 
+func (c *ClasspathFragmentBase) outputFilename() string {
+	return strings.ToLower(c.classpathType.String()) + ".pb"
+}
+
 func (c *ClasspathFragmentBase) generateClasspathProtoBuildActions(ctx android.ModuleContext, configuredJars android.ConfiguredJarList, jars []classpathJar) {
 	generateProto := proptools.BoolDefault(c.properties.Generate_classpaths_proto, true)
 	if generateProto {
-		outputFilename := strings.ToLower(c.classpathType.String()) + ".pb"
+		outputFilename := c.outputFilename()
 		c.outputFilepath = android.PathForModuleOut(ctx, outputFilename).OutputPath
 		c.installDirPath = android.PathForModuleInstall(ctx, "etc", "classpaths")
 
@@ -181,6 +185,10 @@
 	android.SetProvider(ctx, ClasspathFragmentProtoContentInfoProvider, classpathProtoInfo)
 }
 
+func (c *ClasspathFragmentBase) installClasspathProto(ctx android.ModuleContext) android.InstallPath {
+	return ctx.InstallFile(c.installDirPath, c.outputFilename(), c.outputFilepath)
+}
+
 func writeClasspathsTextproto(ctx android.ModuleContext, output android.WritablePath, jars []classpathJar) {
 	var content strings.Builder
 
diff --git a/java/platform_bootclasspath.go b/java/platform_bootclasspath.go
index 4db426e..b3c9ce5 100644
--- a/java/platform_bootclasspath.go
+++ b/java/platform_bootclasspath.go
@@ -221,6 +221,7 @@
 	// ART and platform boot jars must have a corresponding entry in DEX2OATBOOTCLASSPATH
 	classpathJars := configuredJarListToClasspathJars(ctx, configuredJars, BOOTCLASSPATH, DEX2OATBOOTCLASSPATH)
 	b.classpathFragmentBase().generateClasspathProtoBuildActions(ctx, configuredJars, classpathJars)
+	b.classpathFragmentBase().installClasspathProto(ctx)
 }
 
 func (b *platformBootclasspathModule) configuredJars(ctx android.ModuleContext) android.ConfiguredJarList {
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index b291e70..bad2cf1 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -69,6 +69,7 @@
 	configuredJars = configuredJars.AppendList(&standaloneConfiguredJars)
 	classpathJars = append(classpathJars, standaloneClasspathJars...)
 	p.classpathFragmentBase().generateClasspathProtoBuildActions(ctx, configuredJars, classpathJars)
+	p.classpathFragmentBase().installClasspathProto(ctx)
 }
 
 func (p *platformSystemServerClasspathModule) configuredJars(ctx android.ModuleContext) android.ConfiguredJarList {