Set the certificate for linuxinstaller

and also add maximum versionCode for actual app

Bug: 357827587
Test: build
Change-Id: I9cee13f929e8b6f4f17d4fc426fcb3f98db784ce
diff --git a/android/LinuxInstaller/Android.bp b/android/LinuxInstaller/Android.bp
index 5f34c63..f70452d 100644
--- a/android/LinuxInstaller/Android.bp
+++ b/android/LinuxInstaller/Android.bp
@@ -13,6 +13,7 @@
     required: [
         "privapp-permissions-linuxinstaller.xml",
     ],
+    certificate: ":com.android.virtualization.linuxinstaller_certificate",
 }
 
 android_app {
@@ -24,6 +25,7 @@
     required: [
         "privapp-permissions-linuxinstaller.xml",
     ],
+    certificate: ":com.android.virtualization.linuxinstaller_certificate",
 }
 
 prebuilt_etc {
@@ -32,3 +34,8 @@
     sub_dir: "permissions",
     system_ext_specific: true,
 }
+
+android_app_certificate {
+    name: "com.android.virtualization.linuxinstaller_certificate",
+    certificate: "com_android_virtualization_linuxinstaller",
+}