Set min_sdk_version

This was done via the hard-coded list in build/soong.

Bug: 158059172
Test: m
Change-Id: Ie6dc1f59b459ec01605d796a4d81be04bc1d07da
diff --git a/Android.bp b/Android.bp
index d69e51c..eae0d73 100644
--- a/Android.bp
+++ b/Android.bp
@@ -359,6 +359,7 @@
         "contacts-provider-platform-compat-config",
     ],
     libs: [
+        "androidx.annotation_annotation",
         "app-compat-annotations",
         "ext",
         "framework-updatable-stubs-module_libs_api",
diff --git a/libs/protoutil/Android.bp b/libs/protoutil/Android.bp
index 132d71e..128be3c 100644
--- a/libs/protoutil/Android.bp
+++ b/libs/protoutil/Android.bp
@@ -55,6 +55,7 @@
 
     export_include_dirs: ["include"],
 
+    min_sdk_version: "30",
     apex_available: [
         "//apex_available:platform",
         "com.android.os.statsd",
@@ -81,5 +82,5 @@
 
     proto: {
         type: "full",
-    }
+    },
 }