Plumb onTrimMemory app callback to virtualizationservice

Virtualizationservice uses this hint to reclaim guest memory
via the virtio balloon.

Bug: 238931615
Test: atest MicrodroidBenchmarks
Change-Id: Ie4e70160a3305dec68def27667cecd4cd543293f
diff --git a/virtualizationservice/Android.bp b/virtualizationservice/Android.bp
index b767013..da56f76 100644
--- a/virtualizationservice/Android.bp
+++ b/virtualizationservice/Android.bp
@@ -51,6 +51,7 @@
         "libshared_child",
         "libstatslog_virtualization_rust",
         "libtombstoned_client_rust",
+        "libvm_control",
         "libvmconfig",
         "libzip",
         "libvsock",