Update source to SDL2 2.0.12

Edward Rudd

2020-05-02 03f8528315fa46c95991a34f3325d7b33ae5538c

 source/android-project/app/src/main/java/org/libsdl/app/HIDDevice.java

@@ -1,5 +1,7 @@
package org.libsdl.app;

import android.hardware.usb.UsbDevice;

interface HIDDevice
{
    public int getId();
@@ -9,6 +11,7 @@
    public int getVersion();
    public String getManufacturerName();
    public String getProductName();
    public UsbDevice getDevice();
    public boolean open();
    public int sendFeatureReport(byte[] report);
    public int sendOutputReport(byte[] report);