Add dirgroup for trusty genrule am: cb7a38e769 am: dc5d6df37b

Original change: https://android-review.googlesource.com/c/platform/external/nanopb-c/+/3304098

Change-Id: I251b9f6459a3877e2890676a0dcc2fabc27dcac3
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/Android.bp b/Android.bp
index 4515e03..ecc380b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -115,3 +115,9 @@
 
     cflags: ["-DPB_ENABLE_MALLOC", "-DPB_FIELD_32BIT"],
 }
+
+dirgroup {
+    name: "trusty_dirgroup_external_nanopb-c",
+    dirs: ["."],
+    visibility: ["//trusty/vendor/google/aosp/scripts"],
+}