Freeze AIDL APIs for SC

Ignore-AOSP-First: part of SC finalization

Bug: 188713899
Test: m
Change-Id: Iee18cd05954dc8ea08cc4f985499a70977d1af4f
diff --git a/memtrack/aidl/Android.bp b/memtrack/aidl/Android.bp
index 29fec24..79effcb 100644
--- a/memtrack/aidl/Android.bp
+++ b/memtrack/aidl/Android.bp
@@ -39,4 +39,5 @@
             },
         },
     },
+    versions: ["1"],
 }