Export app certificates to Make for apkcerts list

Bug: 70669383
Test: m apkcerts-list contains framework-res.apk
Change-Id: I38af458e4262371c9c8368b5eebcff063a9bc359
diff --git a/java/app_builder.go b/java/app_builder.go
index 676ed58..945d7bd 100644
--- a/java/app_builder.go
+++ b/java/app_builder.go
@@ -61,7 +61,7 @@
 	})
 
 func CreateAppPackage(ctx android.ModuleContext, outputFile android.WritablePath,
-	resJarFile, dexJarFile android.Path, certificates []string) {
+	resJarFile, dexJarFile android.Path, certificates []certificate) {
 
 	// TODO(ccross): JNI libs
 
@@ -80,7 +80,7 @@
 
 	var certificateArgs []string
 	for _, c := range certificates {
-		certificateArgs = append(certificateArgs, c+".x509.pem", c+".pk8")
+		certificateArgs = append(certificateArgs, c.pem.String(), c.key.String())
 	}
 
 	// TODO(ccross): sometimes uncompress dex