adb: Add Dell's USB vendor ID.

Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index 63bf97a..203c006 100644
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -53,6 +53,8 @@
 #define VENDOR_ID_SONY_ERICSSON 0x0FCE
 // Foxconn's USB Vendor ID
 #define VENDOR_ID_FOXCONN       0x0489
+// Dell's USB Vendor ID
+#define VENDOR_ID_DELL          0x413c
 
 
 /** built-in vendor list */
@@ -66,6 +68,7 @@
     VENDOR_ID_ACER,
     VENDOR_ID_SONY_ERICSSON,
     VENDOR_ID_FOXCONN,
+    VENDOR_ID_DELL,
 };
 
 #define BUILT_IN_VENDOR_COUNT    (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0]))