Add documentation for use of "Wearable".

The use here should not be confused with the Android Wear platform.

Bug: 244181656
Test: None.
Ignore-AOSP-First: to prevent new feature leak.
Change-Id: Ieb4fb7f4ced2a7cf1a77300d7f33045481d3a847

core/java/android/app/wearable/WearableSensingManager.java

@@ -47,6 +47,9 @@ import java.util.function.Consumer;
  * Methods on this class requires the caller to hold and be granted the
  * {@link Manifest.permission.MANAGE_WEARABLE_SENSING_SERVICE}.
  *
+ * <p>The use of "Wearable" here is not the same as the Android Wear platform and should be treated
+ * separately. </p>
+ *
  * @hide
  */
 

core/java/android/service/wearable/WearableSensingService.java

@@ -61,6 +61,9 @@ import java.util.function.Consumer;
  * </service>}
  * </pre>
  *
+ * <p>The use of "Wearable" here is not the same as the Android Wear platform and should be treated
+ * separately. </p>
+ *
  * @hide
  */
 @SystemApi

services/core/java/com/android/server/wearable/WearableSensingManagerService.java

@@ -51,6 +51,9 @@ import java.util.Set;
 
 /**
  * System service for managing sensing {@link AmbientContextEvent}s on Wearables.
+ *
+ * <p>The use of "Wearable" here is not the same as the Android Wear platform and should be treated
+ * separately. </p>
  */
 public class WearableSensingManagerService extends
         AbstractMasterSystemService<WearableSensingManagerService,