Virtualizationservice makes payload disk image

with given APK, idsig, and config file.

To exercise the new execution mode, 'vm run-app' sub command is added.

  $ vm <apk_path> <idsig_path> <config_path>

For example,

  $ vm /data/local/tmp/MyApp.apk /data/local/tmp/MyApp.apk.idsig \
    assets/config.json

Bug: 190503456
Test: MicrodroidHostTestCases, VirtualizationTestCases
Change-Id: Iceec9b34e9785a1ae36452bfc2653c3c045f4dfa
diff --git a/microdroid/payload/metadata/Android.bp b/microdroid/payload/metadata/Android.bp
index 4b23394..d3ec625 100644
--- a/microdroid/payload/metadata/Android.bp
+++ b/microdroid/payload/metadata/Android.bp
@@ -13,4 +13,7 @@
         "libmicrodroid_metadata_proto_rust",
         "libprotobuf",
     ],
+    apex_available: [
+        "com.android.virt",
+    ],
 }