bump version to 1.16.0

Summary: Bump version to 1.16.0 for new yoga release

Reviewed By: amir-shalem

Differential Revision: D17395785

fbshipit-source-id: b01b31d58b5b1a2a9532e9cce0892c08960ec31c

Author: SidharthGuglani-zz

gradle.properties

@@ -9,7 +9,7 @@
 
 org.gradle.jvmargs=-Xmx1536M
 
-VERSION_NAME=1.15.0-SNAPSHOT
+VERSION_NAME=1.16.0
 POM_URL=https://github.com/facebook/yoga
 POM_SCM_URL=https://github.com/facebook/yoga.git
 POM_SCM_CONNECTION=scm:git:https://github.com/facebook/yoga.git