Fixes #4334: Update to react-native 0.55.4

Signed-off-by: Pedro Pombeiro <pombeirp@users.noreply.github.com>

Author: pacamara

android/app/build.gradle

@@ -211,7 +211,7 @@ dependencies {
     implementation "com.android.support:appcompat-v7:26.1.0"
     // Force using exact RN version instead of relying on gradle dependency resolution
     // https://docs.gradle.org/current/userguide/introduction_dependency_management.html#sec:dependency_resolution
-    compile ("com.facebook.react:react-native:0.53.3") { force = true }  // From node_modules
+    compile ("com.facebook.react:react-native:0.55.4") { force = true }  // From node_modules
     implementation project(':react-native-i18n')
     implementation project(':react-native-camera')
     implementation project(':react-native-status')