Don't validate the Device Descriptor's vendor ID when validating that a device is an Android Accessory device; the Product ID and (later) Accessory protocol support is enough to probe AOA class support without having to maintain a list of Android device manufacture VID values.

Demos/Host/LowLevel/AndroidAccessoryHost/DeviceDescriptor.c

@@ -55,10 +55,6 @@ uint8_t ProcessDeviceDescriptor(void)
 	if (DeviceDescriptor.Header.Type != DTYPE_Device)
 	  return InvalidDeviceDataReturned;
 
-	/* Validate returned device Vendor ID against the Android ADK spec values */
-	if (DeviceDescriptor.VendorID != ANDROID_VENDOR_ID)
-	  return IncorrectAndroidDevice;
-
 	/* Check the product ID to determine if the Android device is in accessory mode */
 	if ((DeviceDescriptor.ProductID != ANDROID_ACCESSORY_PRODUCT_ID) &&
 	    (DeviceDescriptor.ProductID != ANDROID_ACCESSORY_ADB_PRODUCT_ID))

LUFA/Drivers/USB/Class/Common/AndroidAccessoryClassCommon.h

@@ -64,9 +64,6 @@
 		#endif
 
 	/* Macros: */
-		/** Vendor ID value in a Device Descriptor to indicate an Android device. */
-		#define ANDROID_VENDOR_ID                   0x18D1
-
 		/** Product ID value in a Device Descriptor to indicate an Android device in Open Accessory mode. */
 		#define ANDROID_ACCESSORY_PRODUCT_ID        0x2D00
 

LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c

@@ -44,9 +44,6 @@ bool AOA_Host_ValidateAccessoryDevice(USB_ClassInfo_AOA_Host_t* const AOAInterfa
 	if (DeviceDescriptor->Header.Type != DTYPE_Device)
 	  return false;
 
-	if (DeviceDescriptor->VendorID != ANDROID_VENDOR_ID)
-	  return false;
-
 	*NeedModeSwitch = ((DeviceDescriptor->ProductID != ANDROID_ACCESSORY_PRODUCT_ID) &&
 	                   (DeviceDescriptor->ProductID != ANDROID_ACCESSORY_ADB_PRODUCT_ID));