Add comment to indicate that WifiChannelWidthInMhz
is copied from the Vendor HAL.

Bug: 319972675
Test: N/A - Comment change
Change-Id: Iab74e409cc2a7bf62aa66e1e4861298c5f2341da
diff --git a/wpa_supplicant/aidl/sta_iface.cpp b/wpa_supplicant/aidl/sta_iface.cpp
index 78e6cd3..60b6eb1 100644
--- a/wpa_supplicant/aidl/sta_iface.cpp
+++ b/wpa_supplicant/aidl/sta_iface.cpp
@@ -41,7 +41,8 @@
 using aidl::android::hardware::wifi::supplicant::WifiTechnology;
 using aidl::android::hardware::wifi::supplicant::misc_utils::createStatus;
 
-// TODO (b/204810426): Import from wifi vendor AIDL interface when it exists
+// Enum definition copied from the Vendor HAL interface.
+// See android.hardware.wifi.WifiChannelWidthInMhz
 enum WifiChannelWidthInMhz {
   WIDTH_20	= 0,
   WIDTH_40	= 1,