Refactor: Consistent & correct usage of coroutines (#7077)

* Refactor: Consistent usage of coroutines

* Add usage comments to the different threads

* Refactor: Properly separate crash handling into its platform-specific parts

* Fix autoSave never finishing

* Correctly handle coroutines when the GL thread is not accepting runnables anymore

Co-authored-by: Yair Morgenstern <yairm210@hotmail.com>

android/src/com/unciv/app/CustomFileLocationHelperAndroid.kt

@@ -7,7 +7,6 @@ import android.provider.DocumentsContract
 import android.provider.OpenableColumns
 import androidx.annotation.GuardedBy
 import com.unciv.logic.CustomFileLocationHelper
-import com.unciv.ui.crashhandling.postCrashHandlingRunnable
 import java.io.InputStream
 import java.io.OutputStream
 

android/src/com/unciv/app/PlatformSpecificHelpersAndroid.kt

@@ -3,6 +3,7 @@ package com.unciv.app
 import android.app.Activity
 import android.content.pm.ActivityInfo
 import com.unciv.ui.utils.GeneralPlatformSpecificHelpers
+import kotlin.concurrent.thread
 
 /** See also interface [GeneralPlatformSpecificHelpers].
  *
@@ -35,4 +36,9 @@ Sources for Info about current orientation in case need:
      * External is probably on an SD-card or similar which is always accessible by the user.
      */
     override fun shouldPreferExternalStorage(): Boolean = true
+
+    override fun handleUncaughtThrowable(ex: Throwable): Boolean {
+        thread { throw ex } // this will kill the app but report the exception to the Google Play Console if the user allows it
+        return true
+    }
 }