Copying org java files to solution

Adding original java files to the solution for change tracking so we can
start to convert them to C#
Removing the VS.net default generated files

Interim commit: these changes are breaking the project

All the auto generated files that Visual studio is generating for a new
project, we do not need them anymore, lets more them
Adding the Java project's resources
Renaming .java files to .cs
Converting java src to c#
Changing Android API version
Fixing syntax errors in AudioManagerAndroid.cs
Fixing syntax errors in WebRTCAudioDevice.cs
Adding native lib

Adding native lib that needs to be included on android
Adding DateTimeHelperClass
Fixing compile errors
Removing a debug function
Fixing compile time errors
Fixing compile errors
Fixing compile errors
Fixing compile errors
Setting up the main activity
Change the native method names

Needed to change the native method names since JNI is doing name
wrangling