Headless version of PlayN Android

<!-- https://jarcasting.com/artifacts/com.singhinderjeet/playn-headless-android/ -->
<dependency>
    <groupId>com.singhinderjeet</groupId>
    <artifactId>playn-headless-android</artifactId>
    <version>1.5.4</version>
</dependency>

// https://jarcasting.com/artifacts/com.singhinderjeet/playn-headless-android/
implementation 'com.singhinderjeet:playn-headless-android:1.5.4'

// https://jarcasting.com/artifacts/com.singhinderjeet/playn-headless-android/
implementation ("com.singhinderjeet:playn-headless-android:1.5.4")

'com.singhinderjeet:playn-headless-android:jar:1.5.4'

<dependency org="com.singhinderjeet" name="playn-headless-android" rev="1.5.4">
  <artifact name="playn-headless-android" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.singhinderjeet', module='playn-headless-android', version='1.5.4')
)

libraryDependencies += "com.singhinderjeet" % "playn-headless-android" % "1.5.4"

[com.singhinderjeet/playn-headless-android "1.5.4"]