Acra report: include installFrom.

app/src/main/java/com/etesync/syncadapter/App.kt

@@ -122,6 +122,9 @@ class App : Application() {
 
         // The following line triggers the initialization of ACRA
         ACRA.init(this)
+        val pm = base.packageManager
+        var installedFrom = pm.getInstallerPackageName(BuildConfig.APPLICATION_ID)
+        ACRA.getErrorReporter().putCustomData("installedFrom", installedFrom);
     }
 
     private fun loadLanguage() {