wpadebug: Allow WebView to parse and load clear text (HTTP)

Recent Android version doesn't allow cleartext parsing by WebView by
default:

Error message: ERR_CLEARTEXT_NOT_PERMITTED.

To resolve this wpadebug need to have following updated under
application definition of AndroidManifest.xml
 - android:usesCleartextTraffic="true"

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

wpadebug/AndroidManifest.xml

@@ -9,7 +9,7 @@
     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <application android:label="wpadebug">
+    <application android:label="wpadebug" android:usesCleartextTraffic="true">
         <activity android:name="w1.fi.wpadebug.MainActivity"
                   android:label="wpadebug">
             <intent-filter>