i386 build for allPlatforms
i386 build for allPlatforms

- supportedArchs += ['ios_i386']

maxbritto/j2objc-gradle,maxbritto/j2objc-gradle,j2objc-contrib/j2objc-gradle,j2objc-contrib/j2objc-gradle,madvay/j2objc-gradle,madvay/j2objc-gradle,madvay/j2objc-gradle,maxbritto/j2objc-gradle,j2objc-contrib/j2objc-gradle,maxbritto/j2objc-gradle,madvay/j2objc-gradle,j2objc-contrib/j2objc-gradle