Set Wifi proto min_sdk_version to 30

Bug: 178711289
Test: compiles
Change-Id: I1ec8a8ed39ec0d818c6209e7caecb726506c7466
Merged-In: I7c0abf5d9ea9f7816f62277d7d2cac3e59edee21
diff --git a/service/proto/Android.bp b/service/proto/Android.bp
index cb061d3..84ddfdc 100644
--- a/service/proto/Android.bp
+++ b/service/proto/Android.bp
@@ -18,6 +18,7 @@
         type: "lite",
     },
     sdk_version: "system_current",
+    min_sdk_version: "30",
     srcs: ["src/scorecard.proto"],
 }
 
@@ -32,6 +33,7 @@
         ":system-messages-proto-src",
     ],
     sdk_version: "system_current",
+    min_sdk_version: "30",
     // Pin java_version until jarjar is certified to support later versions. http://b/72703434
     java_version: "1.8",
     target: {