Add STATUS_UNSUPPORTED_OPERATION status code.

Put it in its own CL and behind its own flag because it will be
used by multiple features. This prevents rollback of one feature from affecting
another feature.

Bug: 301427767
Test: It builds.
Change-Id: I25f0f4ebea16d8db6789ee060d1b30de9eb7113a
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 0ee7ace..e6e835b 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -19,6 +19,7 @@
     ":android.app.flags-aconfig-java{.generated_srcjars}",
     ":android.app.smartspace.flags-aconfig-java{.generated_srcjars}",
     ":android.app.usage.flags-aconfig-java{.generated_srcjars}",
+    ":android.app.wearable.flags-aconfig-java{.generated_srcjars}",
     ":android.appwidget.flags-aconfig-java{.generated_srcjars}",
     ":android.chre.flags-aconfig-java{.generated_srcjars}",
     ":android.companion.flags-aconfig-java{.generated_srcjars}",
@@ -1123,3 +1124,16 @@
     ],
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
+
+// Wearable Sensing
+aconfig_declarations {
+    name: "android.app.wearable.flags-aconfig",
+    package: "android.app.wearable",
+    srcs: ["core/java/android/app/wearable/*.aconfig"],
+}
+
+java_aconfig_library {
+    name: "android.app.wearable.flags-aconfig-java",
+    aconfig_declarations: "android.app.wearable.flags-aconfig",
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+}
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 3b18dac..1ac5cd5 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -3157,6 +3157,7 @@
     field public static final int STATUS_SUCCESS = 1; // 0x1
     field public static final int STATUS_UNKNOWN = 0; // 0x0
     field public static final int STATUS_UNSUPPORTED = 2; // 0x2
+    field @FlaggedApi("android.app.wearable.enable_unsupported_operation_status_code") public static final int STATUS_UNSUPPORTED_OPERATION = 6; // 0x6
     field public static final int STATUS_WEARABLE_UNAVAILABLE = 4; // 0x4
   }
 
diff --git a/core/java/android/app/wearable/WearableSensingManager.java b/core/java/android/app/wearable/WearableSensingManager.java
index f1ca086..eca0039 100644
--- a/core/java/android/app/wearable/WearableSensingManager.java
+++ b/core/java/android/app/wearable/WearableSensingManager.java
@@ -18,6 +18,7 @@
 
 import android.Manifest;
 import android.annotation.CallbackExecutor;
+import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -99,6 +100,13 @@
      */
     public static final int STATUS_ACCESS_DENIED = 5;
 
+    /**
+     * The value of the status code that indicates the method called is not supported by the
+     * implementation of {@link WearableSensingService}.
+     */
+    @FlaggedApi(Flags.FLAG_ENABLE_UNSUPPORTED_OPERATION_STATUS_CODE)
+    public static final int STATUS_UNSUPPORTED_OPERATION = 6;
+
     /** @hide */
     @IntDef(prefix = { "STATUS_" }, value = {
             STATUS_UNKNOWN,
@@ -106,7 +114,8 @@
             STATUS_UNSUPPORTED,
             STATUS_SERVICE_UNAVAILABLE,
             STATUS_WEARABLE_UNAVAILABLE,
-            STATUS_ACCESS_DENIED
+            STATUS_ACCESS_DENIED,
+            STATUS_UNSUPPORTED_OPERATION
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface StatusCode {}
diff --git a/core/java/android/app/wearable/flags.aconfig b/core/java/android/app/wearable/flags.aconfig
new file mode 100644
index 0000000..074ce9b
--- /dev/null
+++ b/core/java/android/app/wearable/flags.aconfig
@@ -0,0 +1,8 @@
+package: "android.app.wearable"
+
+flag {
+    name: "enable_unsupported_operation_status_code"
+    namespace: "machine_learning"
+    description: "This flag enables the WearableSensingManager#STATUS_UNSUPPORTED_OPERATION status code API."
+    bug: "301427767"
+}
\ No newline at end of file