"application_package" string resource correctly set in build.gradle

(no more hardcode, caused crashes with different application id)

app/build.gradle

@@ -10,6 +10,7 @@ android {
         targetSdkVersion 22
         versionCode 173
         versionName '1.0.1'
+        resValue 'string', 'application_package', applicationId
     }
 
     compileOptions {

app/src/main/res/values/versions.xml

@@ -14,6 +14,5 @@
 -->
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <string name="application_name">@string/development_title</string>
-    <string name="application_package">com.xabber.androiddev</string>
     <string name="client_name">Xabber</string>
 </resources>