Do not disable toggle when Wi-Fi is enabling and disabling.

The toggle disabling of Wi-Fi in its ENABLING and DISABLING states
are not in sync with the loading of access points, and so removed
the disabling entirely.

Bug:34287227
Test: manual inspection.
Change-Id: Ibcb401eaaa34be79e1e73a947b2ea845cca79996
diff --git a/src/com/android/settings/wifi/WifiEnabler.java b/src/com/android/settings/wifi/WifiEnabler.java
index 87e4120..e0e6a1a 100644
--- a/src/com/android/settings/wifi/WifiEnabler.java
+++ b/src/com/android/settings/wifi/WifiEnabler.java
@@ -134,14 +134,12 @@
 
         switch (state) {
             case WifiManager.WIFI_STATE_ENABLING:
-                mSwitchWidget.setEnabled(false);
                 break;
             case WifiManager.WIFI_STATE_ENABLED:
                 setSwitchBarChecked(true);
                 mSwitchWidget.setEnabled(true);
                 break;
             case WifiManager.WIFI_STATE_DISABLING:
-                mSwitchWidget.setEnabled(false);
                 break;
             case WifiManager.WIFI_STATE_DISABLED:
                 setSwitchBarChecked(false);