Use adbd_system_binaries to track adbd's dependencies.

required doesn't propagate from apexes, so we need a separate phony
target to track adbd's dependenecies.

Test: m
Change-Id: I13977d1376de63839bf182d2cfa56b5c6c63aba9
diff --git a/minadbd/Android.bp b/minadbd/Android.bp
index b7075e6..c39c734 100644
--- a/minadbd/Android.bp
+++ b/minadbd/Android.bp
@@ -91,6 +91,10 @@
         "libcrypto",
         "libminadbd_services",
     ],
+
+    required: [
+        "adbd_system_binaries_recovery",
+    ]
 }
 
 cc_test {