Wifi: Replace Bandwidth with ChannelBandwidth for clarity

This commit replaces "Bandwidth" with "ChannelBandwidth" for clarity.
Bandwidth implies throughput and not channel bandwidth in Mhz

Bug: 215120219
Test: Build succeeds
Change-Id: I9e97c40a974097a908b55524087bb2201fdca6c8
diff --git a/hostapd/aidl/hostapd.cpp b/hostapd/aidl/hostapd.cpp
index 515fda1..61539a0 100644
--- a/hostapd/aidl/hostapd.cpp
+++ b/hostapd/aidl/hostapd.cpp
@@ -47,7 +47,7 @@
 using android::base::StringPrintf;
 using android::base::WriteStringToFile;
 using aidl::android::hardware::wifi::hostapd::BandMask;
-using aidl::android::hardware::wifi::hostapd::Bandwidth;
+using aidl::android::hardware::wifi::hostapd::ChannelBandwidth;
 using aidl::android::hardware::wifi::hostapd::ChannelParams;
 using aidl::android::hardware::wifi::hostapd::EncryptionType;
 using aidl::android::hardware::wifi::hostapd::Generation;
@@ -619,36 +619,36 @@
 	}
 }
 
-Bandwidth getBandwidth(struct hostapd_config *iconf)
+ChannelBandwidth getChannelBandwidth(struct hostapd_config *iconf)
 {
-	wpa_printf(MSG_DEBUG, "getBandwidth %d, isHT=%d, isHT40=%d",
+	wpa_printf(MSG_DEBUG, "getChannelBandwidth %d, isHT=%d, isHT40=%d",
 		   iconf->vht_oper_chwidth, iconf->ieee80211n,
 		   iconf->secondary_channel);
 	switch (iconf->vht_oper_chwidth) {
 	case CHANWIDTH_80MHZ:
-		return Bandwidth::BANDWIDTH_80;
+		return ChannelBandwidth::BANDWIDTH_80;
 	case CHANWIDTH_80P80MHZ:
-		return Bandwidth::BANDWIDTH_80P80;
+		return ChannelBandwidth::BANDWIDTH_80P80;
 		break;
 	case CHANWIDTH_160MHZ:
-		return Bandwidth::BANDWIDTH_160;
+		return ChannelBandwidth::BANDWIDTH_160;
 		break;
 	case CHANWIDTH_USE_HT:
 		if (iconf->ieee80211n) {
 			return iconf->secondary_channel != 0 ?
-				Bandwidth::BANDWIDTH_40 : Bandwidth::BANDWIDTH_20;
+				ChannelBandwidth::BANDWIDTH_40 : ChannelBandwidth::BANDWIDTH_20;
 		}
-		return Bandwidth::BANDWIDTH_20_NOHT;
+		return ChannelBandwidth::BANDWIDTH_20_NOHT;
 	case CHANWIDTH_2160MHZ:
-		return Bandwidth::BANDWIDTH_2160;
+		return ChannelBandwidth::BANDWIDTH_2160;
 	case CHANWIDTH_4320MHZ:
-		return Bandwidth::BANDWIDTH_4320;
+		return ChannelBandwidth::BANDWIDTH_4320;
 	case CHANWIDTH_6480MHZ:
-		return Bandwidth::BANDWIDTH_6480;
+		return ChannelBandwidth::BANDWIDTH_6480;
 	case CHANWIDTH_8640MHZ:
-		return Bandwidth::BANDWIDTH_8640;
+		return ChannelBandwidth::BANDWIDTH_8640;
 	default:
-		return Bandwidth::BANDWIDTH_INVALID;
+		return ChannelBandwidth::BANDWIDTH_INVALID;
 	}
 }
 
@@ -958,7 +958,7 @@
 				iface_hapd->conf->bridge : iface_hapd->conf->iface,
 			info.apIfaceInstance = iface_hapd->conf->iface;
 			info.freqMhz = iface_hapd->iface->freq;
-			info.bandwidth = getBandwidth(iface_hapd->iconf);
+			info.channelBandwidth = getChannelBandwidth(iface_hapd->iconf);
 			info.generation = getGeneration(iface_hapd->iface->current_mode);
 			info.apIfaceInstanceMacAddress.assign(iface_hapd->own_addr,
 				iface_hapd->own_addr + ETH_ALEN);