title: Firebase Crashlytics not reporting crashes when manually enabled
body: <p>Crashlytics works just fine without opt-in reporting. But it stops reporting anything as soon as I set up opt-in reporting according to the <a href="https://firebase.google.com/docs/crashlytics/customize-crash-reports?authuser=0" rel="noreferrer">tutorial</a>.</p>
  
  <p>Specifically, I added the following content to <code>AndroidManifest.xml</code></p>
  
  <pre><code>&lt;meta-data
      android:name="firebase_crashlytics_collection_enabled"
      android:value="false" /&gt;
  </code></pre>
  
  <p>And I added the following into the <code>onCreate</code>:</p>
  
  <pre><code> Fabric.with(this, Crashlytics())
  </code></pre>
  
  <p>With a debugger, I am sure that the above line has been executed.</p>
  
  <p>However, nothing is reported to the Crashlytics. Instead, the logger gives the following,</p>
  
  <pre><code>D/Fabric: Falling back to Crashlytics key lookup from Manifest
  D/Fabric: Falling back to Crashlytics key lookup from Strings
  D/Fabric: Generating Crashlytics ApiKey from google_app_id in Strings
  D/Fabric: Using AdvertisingInfo from Preference Store
  D/Fabric: Falling back to Crashlytics key lookup from Manifest
  D/Fabric: Falling back to Crashlytics key lookup from Strings
  D/Fabric: Build ID is: ...
  D/CrashlyticsCore: Crashlytics is disabled, because data collection is disabled by Firebase.
  D/Fabric: Initializing io.fabric.sdk.android:fabric [Version: 1.4.6.29], with the following kits:
      com.crashlytics.sdk.android:crashlytics [Version: 2.9.7.29]
      com.crashlytics.sdk.android:beta [Version: 1.2.10.27]
      com.crashlytics.sdk.android:answers [Version: 1.4.5.29]
      com.crashlytics.sdk.android.crashlytics-core [Version: 2.6.6.29]
  D/Fabric: Not fetching settings, because data collection is disabled by Firebase.
  D/Fabric: Falling back to Crashlytics key lookup from Manifest
  D/Fabric: Falling back to Crashlytics key lookup from Strings
  D/Fabric: Build ID is: ...
  D/Fabric: Analytics collection disabled, because data collection is disabled by Firebase.
  D/Fabric: Could not get parcel from Google Play Service to capture AdvertisingId
  D/Fabric: Could not get parcel from Google Play Service to capture Advertising limitAdTracking
  D/Fabric: AdvertisingInfo not present
  D/Fabric: Asychronously getting Advertising Info and storing it to preferences
  </code></pre>
  
  <p>I have noticed this interesting line: <code>D/CrashlyticsCore: Crashlytics is disabled, because data collection is disabled by Firebase.</code> which is probably the cause of the issue. Yet I can't find any information about this log.</p>