message: Stop supporting Android 4.4 and lower
diff: @@ -99,7 +99,7 @@ android {
  defaultConfig {
  applicationId "chat.rocket.reactnative"
  - minSdkVersion 19
  + minSdkVersion 21
  targetSdkVersion 27
  versionCode VERSIONCODE as Integer
  versionName "1.2.1"
  