Use Java crash handler on not extracted libraries

[konraddysput]

Why

This update allows using java crash handler when the native libraries are not extracted. This change only works on Android.

In the current implementation, we're using Java crash handler as a fallback function. In most cases, we know that our native crash handler should be available and we know most of our clients might not have proguard configuration set up by default

ref: BT-2979

[rick-bt]

Runtime/Native/Android/NativeClient.cs#255
When we Directory.CreateDirectory(databasePath), can we check that it was created successfully? Would be helpful to know if that create failed.

[konraddysput]

Runtime/Native/Android/NativeClient.cs#255 When we Directory.CreateDirectory(databasePath), can we check that it was created successfully? Would be helpful to know if that create failed.

Directory.CreateDirectory ensures that the directory exists after it is called. Its in the c# implementation