Use SystemUi's privapp for CarSystemUi.

bug: 126582117
Test: lunch gcar_emu_x86-userdebug && m && emulator
Change-Id: I7e38c57ae6a0dcb4f8bbee955b0f849d17d3a816
diff --git a/packages/CarSystemUI/Android.bp b/packages/CarSystemUI/Android.bp
index 9064ebe..4c9629d 100644
--- a/packages/CarSystemUI/Android.bp
+++ b/packages/CarSystemUI/Android.bp
@@ -58,8 +58,8 @@
 
     manifest: "AndroidManifest.xml",
 
-    owner: "google",
     platform_apis: true,
+    product_specific: true,
     certificate: "platform",
     privileged: true,
 
@@ -82,4 +82,6 @@
     ],
 
     plugins: ["dagger2-compiler-2.19"],
+
+    required: ["privapp_whitelist_com.android.systemui"],
 }