rn: bump SDK version to 2.2.0

android/gradle.properties

 # org.gradle.parallel=true
 
 appVersion=19.2.0
-sdkVersion=2.1.0
+sdkVersion=2.2.0

ios/sdk/src/Info.plist

 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.0</string>
+	<string>2.2.0</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>