current/extras/constraint-layout/manifests/android-support-constraint-layout/AndroidManifest.xml

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

    <uses-sdk
        android:minSdkVersion="9"
        android:targetSdkVersion="24" />

    <application />

</manifest>