Technical: Use Central Portal for publishing. (#673)

Author: vanniktech

gradle.properties

@@ -23,7 +23,7 @@ android.experimental.enableSourceSetPathsMap=true
 android.experimental.cacheCompileLibResources=true
 android.suppressUnsupportedOptionWarnings=android.suppressUnsupportedOptionWarnings,android.experimental.enableSourceSetPathsMap,android.experimental.cacheCompileLibResources
 
-SONATYPE_HOST=DEFAULT
+SONATYPE_HOST=CENTRAL_PORTAL
 SONATYPE_AUTOMATIC_RELEASE=true
 RELEASE_SIGNING_ENABLED=true