Updated the sdk version to 16 to match all the other poms.
Updated the sdk version to 16 to match all the other poms.

VikingDen/selendroid,christiannolte/selendroid,rasata/selendroid,masbog/selendroid,VikingDen/selendroid,smiklosovic/selendroid,rasata/selendroid,mach6/selendroid,koichirok/selendroid,masbog/selendroid,luohaoyu/selendroid,VikingDen/selendroid,asm89/selendroid,ghrud92/selendroid,smiklosovic/selendroid,asm89/selendroid,VikingDen/selendroid,mach6/selendroid,0x1mason/selendroid,christiannolte/selendroid,rasata/selendroid,smiklosovic/selendroid,anandsadu/selendroid,uchida/selendroid,lukeis/selendroid,selendroid/selendroid,smiklosovic/selendroid,DominikDary/selendroid,asm89/selendroid,SpencerMalone/selendroid,DominikDary/selendroid,christiannolte/selendroid,anandsadu/selendroid,appium/selendroid,uchida/selendroid,mach6/selendroid,uchida/selendroid,PrakashGoulla/selendroid,anandsadu/selendroid,frolovs/selendroid,asm89/selendroid,appium/selendroid,vishals79/appium-uiautomator2-driver,ghrud92/selendroid,sri096/selendroid,lukeis/selendroid,PrakashGoulla/selendroid,frolovs/selendroid,koichirok/selendroid,PrakashGoulla/selendroid,selendroid/selendroid,selendroid/selendroid,appium/selendroid,0x1mason/selendroid,sri096/selendroid,koichirok/selendroid,lukeis/selendroid,vishals79/appium-uiautomator2-driver,luohaoyu/selendroid,masbog/selendroid,vishals79/appium-uiautomator2-driver,luohaoyu/selendroid,selendroid/selendroid,vishals79/appium-uiautomator2-driver,rasata/selendroid,SpencerMalone/selendroid,sri096/selendroid,uchida/selendroid,frolovs/selendroid,appium/selendroid,lukeis/selendroid,asm89/selendroid,christiannolte/selendroid,appium/selendroid,masbog/selendroid,masbog/selendroid,PrakashGoulla/selendroid,0x1mason/selendroid,SpencerMalone/selendroid,christiannolte/selendroid,rasata/selendroid,SpencerMalone/selendroid,mach6/selendroid,uchida/selendroid,ghrud92/selendroid,lukeis/selendroid,smiklosovic/selendroid,luohaoyu/selendroid,SpencerMalone/selendroid,0x1mason/selendroid,anandsadu/selendroid,DominikDary/selendroid,koichirok/selendroid,koichirok/selendroid,sri096/selendroid,sri096/selendroid,vishals79/appium-uiautomator2-driver,mach6/selendroid,luohaoyu/selendroid,selendroid/selendroid,frolovs/selendroid,ghrud92/selendroid,PrakashGoulla/selendroid,anandsadu/selendroid,frolovs/selendroid,ghrud92/selendroid