removing ineffective code in WifiService.java

no need to use wrapper class Long.
I think this looks like typo.
However, this fix will give us more space.

WifiService.class 33646 -> 33541.

Change-Id: Ia3a57285170315a9563c6ccf687424fe95ccc2df
Remove unnecessary references in WindowManagerService

Clean message routines in WindowManagerService.

Change-Id: I3e3106b6499c67d1fd7133c987c0452a73141a3f
Signed-off-by: You Kim <you.kim72@gmail.com>