Build composite image in VirtualizationService.

Bug: 184131523
Test: atest VirtualizationTestCases
Test: ran microdroid manually
Change-Id: I24eb776bb3049a4cdc5f000607447a73bd0adeec
diff --git a/virtualizationservice/Android.bp b/virtualizationservice/Android.bp
index 2c44200..2d78018 100644
--- a/virtualizationservice/Android.bp
+++ b/virtualizationservice/Android.bp
@@ -14,6 +14,8 @@
         "libanyhow",
         "libcommand_fds",
         "liblog_rust",
+        "libserde_json",
+        "libserde",
         "libshared_child",
     ],
     apex_available: ["com.android.virt"],