title: Ionic app crashes on startup on android device/emulator
body: <p>I was building my Ionic app many times without any problem, last weekend, I changed one line in css and re-built the app, then it crashed, I removed the line I added on css and re-built, still same issue.</p>
  
  <p>Here is my <code>ionic info</code> output</p>
  
  <pre><code>cli packages: (/usr/local/lib/node_modules)
  
  @ionic/cli-utils  : 1.9.1
  ionic (Ionic CLI) : 3.9.1
  
  global packages:
  
      Cordova CLI : 8.1.2 (cordova-lib@8.1.1)
  
  local packages:
  
      @ionic/app-scripts : 3.2.0
      Cordova Platforms  : android 7.1.1 ios 4.5.5
      Ionic Framework    : ionic-angular 3.9.2
  
  System:
  
      ios-deploy : 1.9.2
      Node       : v8.10.0
      npm        : 6.1.0
      OS         : macOS High Sierra
      Xcode      : Xcode 9.2 Build version 9C40b
  </code></pre>
  
  <p>And my package.json file:</p>
  
  <pre><code>{
    "name": "{app name here}",
    "version": "0.0.1",
    "description": "An Ionic project",
    "license": "Apache-2.0",
    "repository": {
      "type": "git",
      "url": "https://github.com/ionic-team/ionic-conference-app.git"
    },
    "scripts": {
      "build": "ionic build",
      "serve": "ionic build",
      "start": "npm run serve"
    },
    "dependencies": {
      "@angular/common": "5.0.0",
      "@angular/compiler": "5.0.0",
      "@angular/compiler-cli": "5.0.0",
      "@angular/core": "5.0.0",
      "@angular/forms": "5.0.0",
      "@angular/http": "5.0.0",
      "@angular/platform-browser": "5.0.0",
      "@angular/platform-browser-dynamic": "5.0.0",
      "@ionic-native/admob-pro": "^4.12.0",
      "@ionic-native/app-rate": "^4.9.0",
      "@ionic-native/core": "^4.3.1",
      "@ionic-native/email-composer": "^4.9.0",
      "@ionic-native/in-app-browser": "^4.9.0",
      "@ionic-native/native-storage": "^4.9.0",
      "@ionic-native/network": "^4.10.1",
      "@ionic-native/onesignal": "^4.11.0",
      "@ionic-native/social-sharing": "^4.10.1",
      "@ionic-native/splash-screen": "^4.3.1",
      "@ionic-native/status-bar": "^4.3.1",
      "@ionic/storage": "2.1.3",
      "cordova-android": "7.1.1",
      "cordova-ios": "^4.5.2",
      "cordova-plugin-admobpro-firebase": "^2.31.6",
      "cordova-plugin-apprate": "^1.4.0",
      "cordova-plugin-crosswalk-webview": "^2.4.0",
      "cordova-plugin-device": "^1.1.7",
      "cordova-plugin-dialogs": "^2.0.1",
      "cordova-plugin-email-composer": "^0.8.15",
      "cordova-plugin-extension": "^1.5.4",
      "cordova-plugin-globalization": "^1.11.0",
      "cordova-plugin-inappbrowser": "^1.7.2",
      "cordova-plugin-ionic-keyboard": "^2.1.3",
      "cordova-plugin-ionic-webview": "^1.2.1",
      "cordova-plugin-nativestorage": "^2.3.2",
      "cordova-plugin-network-information": "^2.0.1",
      "cordova-plugin-splashscreen": "^4.1.0",
      "cordova-plugin-statusbar": "^2.4.2",
      "cordova-plugin-whitelist": "^1.3.3",
      "cordova-plugin-x-socialsharing": "^5.4.1",
      "es6-promise-plugin": "^4.2.2",
      "ionic-angular": "3.9.2",
      "ionic2-super-tabs": "^4.3.0",
      "ionicons": "3.0.0",
      "onesignal-cordova-plugin": "^2.4.4",
      "rxjs": "5.5.2",
      "sw-toolbox": "3.6.0",
      "zone.js": "0.8.18"
    },
    "devDependencies": {
      "@ionic/app-scripts": "3.2.0",
      "typescript": "~2.4.2"
    },
    "config": {
      "ionic_aot_write_to_disk": true
    },
    "cordova": {
      "platforms": [
        "ios",
        "android"
      ],
      "plugins": {
        "cordova-plugin-crosswalk-webview": {
          "XWALK_VERSION": "22+",
          "XWALK_LITEVERSION": "xwalk_core_library_canary:17+",
          "XWALK_COMMANDLINE": "--disable-pull-to-refresh-effect",
          "XWALK_MODE": "embedded",
          "XWALK_MULTIPLEAPK": "true"
        },
        "cordova-plugin-device": {},
        "cordova-plugin-inappbrowser": {},
        "cordova-plugin-splashscreen": {},
        "cordova-plugin-whitelist": {},
        "cordova-plugin-ionic-webview": {},
        "cordova-plugin-statusbar": {},
        "cordova-plugin-ionic-keyboard": {},
        "cordova-plugin-nativestorage": {},
        "cordova-plugin-x-socialsharing": {},
        "cordova-plugin-email-composer": {},
        "cordova-plugin-apprate": {},
        "cordova-plugin-network-information": {},
        "onesignal-cordova-plugin": {},
        "cordova-plugin-admobpro-firebase": {}
      }
    }
  }
  </code></pre>
  
  <p>When i build, it gives my that it is built successfully, but when I launch it on my phone or emulator, it crashes.
  Knowing that I tried with cordova-android@6.4.9/7.0.0/7.1.0/7.1.1</p>