Remove export provider

Author: anton-knyazev

core/src/main/AndroidManifest.xml

@@ -11,7 +11,7 @@
             android:name="com.omega_r.libs.omegaintentbuilder.providers.FileProvider"
             android:authorities="${applicationId}.${omegaSuffixAuthority}"
             android:grantUriPermissions="true"
-            android:exported="true">
+            android:exported="false">
 
             <meta-data
                 android:name="android.support.FILE_PROVIDER_PATHS"