Verify and mount extra apks

virtualizationservice currently passes extra apks and corresponding
idsigs as block devices. microdroid_manager will read the payload config
and mount the apks to /mnt/extra-apk/{index} after verifying them.

Bug: 205224817
Test: atest ComposHostTestCases MicrodroidHostTestCases
Test: manually edit vm config and see apks mounted
Change-Id: I9afa03cb7fabe0ca16b7926c4480d0b32c8bcd04
diff --git a/microdroid_manager/Android.bp b/microdroid_manager/Android.bp
index c69d875..23a61d9 100644
--- a/microdroid_manager/Android.bp
+++ b/microdroid_manager/Android.bp
@@ -17,7 +17,9 @@
         "libbinder_rpc_unstable_bindgen",
         "libbinder_rs",
         "libbyteorder",
+        "libglob",
         "libidsig",
+        "libitertools",
         "libkernlog",
         "liblibc",
         "liblog_rust",