Android Question How to add android:resizeableActivity="true" to Manifest

For Android 7 I need to add the following line to the Manifest to say if my app supports the new split screen mode.

android:resizeableActivity="true"

I have tried adding the following line but get the following error message.

Added:

SetApplicationAttribute(android:resizeableActivity, "true")

Get Error:

AndroidManifest.xml:37: error: No resource identifier found for attribute 'resizeableActivity' in package 'android'