prebuilts/gradle/WearDrawers/Wearable/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.example.android.wearable.wear.weardrawers"
          xmlns:android="http://schemas.android.com/apk/res/android">

    <uses-feature android:name="android.hardware.type.watch"/>
    <!-- Required for Always-on. -->
    <uses-permission android:name="android.permission.WAKE_LOCK" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@android:style/Theme.DeviceDefault">

        <!--If you want your app to run on pre-22, then set required to false -->
        <uses-library android:name="com.google.android.wearable" android:required="false" />

        <activity
            android:name=".MainActivity"
            android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>
</manifest>