microdroid: add libbinder_ndk

libbinder_ndk is essential for binder comm between system and other
parts like apexes.

Bug: n/a
Test: libbinder_ndk in microdroid's system/lib
Change-Id: I9262bcfef8a88d8256ad9fc5efc16586c1a1f081
diff --git a/microdroid/Android.bp b/microdroid/Android.bp
index 55075ca..beca3ce 100644
--- a/microdroid/Android.bp
+++ b/microdroid/Android.bp
@@ -49,6 +49,7 @@
         "microdroid_build_prop",
         "ueventd.rc",
         "libbinder",
+        "libbinder_ndk",
         "libstdc++",
         "logcat",
         "logd",