title: react native: run app in emulator not showing icon
body: <p>I'm using react native version 0.49 and I when I run my app in react-native in android emulator, I don't see app on the device. the app is run fine but when I close the app and try to find the app into the emulator again i don't see that.
  but when i open new project I see the app. maybe I changed something into the project.what it can be? </p>
  
  <p>I add some files from android folder
  AndroidManifest.xml</p>
  
  <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.glassify"
  android:versionCode="1"
  android:versionName="1.0"&gt;
  
  &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
  &lt;uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/&gt;
  &lt;uses-permission android:name="android.permission.RECORD_AUDIO"/&gt;
  &lt;uses-permission android:name="android.permission.RECORD_VIDEO"/&gt;
  &lt;uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /&gt;
  &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/&gt; &lt;!-- Approximate location - If you want to use promptLocation for letting OneSignal know the user location. --&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/&gt;
  &lt;uses-permission android:name="android.permission.VIBRATE"/&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
  &lt;uses-permission android:name="android.permission.BLUETOOTH"/&gt;         &lt;!-- for Device Name --&gt;
  &lt;uses-permission android:name="android.permission.READ_PHONE_STATE"/&gt;  &lt;!-- for Phone Number --&gt;
  &lt;uses-permission android:name="android.permission.NFC" /&gt;
  
  
  
  &lt;uses-sdk
      android:minSdkVersion="16"
      android:targetSdkVersion="22" /&gt;
  
  &lt;application
    android:name=".MainApplication"
    android:allowBackup="true"
    android:label="@string/app_name"
    android:icon="@mipmap/ic_launcher"
    android:theme="@style/AppTheme"&gt;
    &lt;meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/facebook_app_id"/&gt;
  
    &lt;activity
      android:name=".MainActivity"
      android:label="@string/app_name"
      android:configChanges="keyboard|keyboardHidden|orientation|screenSize"
      android:windowSoftInputMode="adjustResize"
      android:launchMode="singleTask"
      android:screenOrientation="portrait"
      &gt;
      &lt;!-- android:launchMode="singleTop" --&gt;
      &lt;intent-filter&gt;
          &lt;action android:name="android.intent.action.MAIN" /&gt;
          &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
          &lt;data android:scheme="glassify" android:host="open" /&gt;
          &lt;action android:name="android.intent.action.VIEW" /&gt;
          &lt;!-- &lt;category android:name="android.intent.category.DEFAULT" /&gt; --&gt;
          &lt;category android:name="android.intent.category.BROWSABLE" /&gt;
          &lt;data android:scheme="@string/fb_login_protocol_scheme" /&gt;
  
      &lt;/intent-filter&gt;
    &lt;/activity&gt;
    &lt;activity android:name="com.facebook.react.devsupport.DevSettingsActivity" /&gt;
  &lt;receiver android:name="io.branch.referral.InstallListener" android:exported="true"&gt;
  &lt;intent-filter&gt;
      &lt;action android:name="com.android.vending.INSTALL_REFERRER" /&gt;
  &lt;/intent-filter&gt;
  &lt;/receiver&gt;
  &lt;meta-data android:name="io.branch.sdk.BranchKey" android:value="key_live_onzHkTB1E4aeo2HI8qsnFmfaBupEXGtN"/&gt;
  
  &lt;/application&gt;
  </code></pre>
  
  <p></p>
  
  <p>strings.xml</p>
  
  <pre><code>&lt;resources&gt;
  &lt;string name="app_name"&gt;test app&lt;/string&gt;
  &lt;string name="facebook_app_id"&gt;xxxxxx&lt;/string&gt;
  &lt;string name="fb_login_protocol_scheme"&gt;xxxxxxx&lt;/string&gt;
  </code></pre>
  
  <p></p>