diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index ed2c8eba0ab23..9b556d8219cb5 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -383,6 +383,7 @@ package android.os {
     method public static void traceBegin(long, @NonNull String);
     method public static void traceCounter(long, @NonNull String, int);
     method public static void traceEnd(long);
+    field public static final long TRACE_TAG_AIDL = 16777216L; // 0x1000000L
     field public static final long TRACE_TAG_NETWORK = 2097152L; // 0x200000L
   }
 
diff --git a/core/java/android/os/Trace.java b/core/java/android/os/Trace.java
index 4965057a7fdbc..726ef4d2e3115 100644
--- a/core/java/android/os/Trace.java
+++ b/core/java/android/os/Trace.java
@@ -100,6 +100,7 @@ public final class Trace {
     /** @hide */
     public static final long TRACE_TAG_VIBRATOR = 1L << 23;
     /** @hide */
+    @SystemApi(client = MODULE_LIBRARIES)
     public static final long TRACE_TAG_AIDL = 1L << 24;
     /** @hide */
     public static final long TRACE_TAG_NNAPI = 1L << 25;