Create QCOW2 image rather than raw for writable partitions.

Bug: 190503448
Test: vm create-partition /data/local/tmp/blah 1000000
Change-Id: Iff9269d71ea3e5dcff5fbfd1f5a62abfa4633bc0
diff --git a/apex/Android.bp b/apex/Android.bp
index 3db4c1a..bcc7099 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -13,12 +13,13 @@
     key: "com.android.virt.key",
     certificate: ":com.android.virt.certificate",
 
-    // crosvm is enabled for only 64-bit targets on device
+    // crosvm and virtualizationservice are only enabled for 64-bit targets on device
     arch: {
         arm64: {
             binaries: [
                 "authfs", // TODO(victorhsieh): move to microdroid once we can run the test in VM.
                 "crosvm",
+                "virtualizationservice",
             ],
             filesystems: [
                 "microdroid_super",
@@ -32,6 +33,7 @@
             binaries: [
                 "authfs", // TODO(victorhsieh): move to microdroid once we can run the test in VM.
                 "crosvm",
+                "virtualizationservice",
             ],
             filesystems: [
                 "microdroid_super",
@@ -44,7 +46,6 @@
     },
     binaries: [
         "fd_server",
-        "virtualizationservice",
         "vm",
 
         // tools to create composite images