Add test APIs for Microdroid GKI

As we'll run MicrodroidTests on all supported GKIs, this adds test APIs
to get a list of available OSes and to run a specific microdroid GKI.
MicrodroidTests will use the API to retrieve a list of available GKIs
and run tests with such GKIs.

Bug: 302465542
Test: atest MicrodroidTests
Change-Id: I35bb602975776396445f96154e7be3891580e91d
diff --git a/virtualizationmanager/Android.bp b/virtualizationmanager/Android.bp
index 60c94fc..f58e999 100644
--- a/virtualizationmanager/Android.bp
+++ b/virtualizationmanager/Android.bp
@@ -38,6 +38,7 @@
         "libclap",
         "libcommand_fds",
         "libdisk",
+        "libglob",
         "libhex",
         "libhypervisor_props",
         "liblazy_static",