Merge changes Ie1248eb3,Ie6788087 into main

* changes:
  Add aconfig flag for wearable hotword
  Add aconfig flags for wearable features.
diff --git a/core/java/android/app/wearable/flags.aconfig b/core/java/android/app/wearable/flags.aconfig
index 074ce9b..5e8bdb5 100644
--- a/core/java/android/app/wearable/flags.aconfig
+++ b/core/java/android/app/wearable/flags.aconfig
@@ -5,4 +5,25 @@
     namespace: "machine_learning"
     description: "This flag enables the WearableSensingManager#STATUS_UNSUPPORTED_OPERATION status code API."
     bug: "301427767"
+}
+
+flag {
+    name: "enable_data_request_observer_api"
+    namespace: "machine_learning"
+    description: "This flag enables the API to register a data request observer on WearableSensingManager."
+    bug: "301427767"
+}
+
+flag {
+    name: "enable_provide_wearable_connection_api"
+    namespace: "machine_learning"
+    description: "This flag enables the WearableSensingManager#provideWearableConnection API."
+    bug: "301427767"
+}
+
+flag {
+    name: "enable_hotword_wearable_sensing_api"
+    namespace: "machine_learning"
+    description: "This flag enables the APIs related to hotword in WearableSensingManager and WearableSensingService."
+    bug: "310055381"
 }
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