Remove disableBackgroundScheduling

This is a no-op.

Bug: 66905301
Test: m (sanity)
Merged-In: I75fc1d92cd718df632cfc9e44b05d1ff63225fb7
Change-Id: I45b2fa2e03ff6c0993588c88d74674db28f4d3bf
diff --git a/wpa_supplicant/hidl/1.0/hidl.cpp b/wpa_supplicant/hidl/1.0/hidl.cpp
index ca914b4..ab2043d 100644
--- a/wpa_supplicant/hidl/1.0/hidl.cpp
+++ b/wpa_supplicant/hidl/1.0/hidl.cpp
@@ -43,7 +43,6 @@
 	wpa_printf(MSG_DEBUG, "Initing hidl control");
 
 	configureRpcThreadpool(1, true /* callerWillJoin */);
-	IPCThreadState::self()->disableBackgroundScheduling(true);
 	IPCThreadState::self()->setupPolling(&priv->hidl_fd);
 	if (priv->hidl_fd < 0)
 		goto err;