Unrotate inputwindows into rotation display grew-up in

This way inputflinger internally works within one coordinate
space at all times and only transforms coordinates for dispatch
to targets

This is behind a flag:
   adb shell setprop persist.debug.per_window_input_rotation 1

Bug: 179274888
Test: phone should work as before
Change-Id: I503f9beea9863193801aa6422a416382374e48c8