Update TouchState dump for readability

Bug: 245989146
Test: Check dumpsys input
Before:
  CursorStatesByDisplay:
    0 :     Windows:
        0 : name='89381c9 com.google.android.apps.nexuslauncher/com.google.android.apps.nexuslauncher.NexusLauncherActivity', targetFlags=0x0, forwardingWindowToken=0x0, mDeviceStates=5:[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (542.521, 285.968)], pilferingPointerIds=<none>]
    6:[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (9.95312, 1171.72)], pilferingPointerIds=<none>]
        1 : name='PointerEventDispatcherOverlay0', targetFlags=0x0, forwardingWindowToken=0x0, mDeviceStates=5:[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (542.521, 285.968)], pilferingPointerIds=<none>]
    6:[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (9.95312, 1171.72)], pilferingPointerIds=<none>]

After:
  CursorStatesByDisplay:
    LogicalDisplayId 0:
      TouchedWindows:
        0: name='b7145b4 NotificationShade', targetFlags=0x0, forwardingWindowToken=0x0, mDeviceStates=
          DeviceId(5):[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (1583.21, 378.153)], pilferingPointerIds=<none>]
          DeviceId(7):[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (1749.23, 29.8594)], pilferingPointerIds=<none>]
        1: name='PointerEventDispatcherOverlay0', targetFlags=0x0, forwardingWindowToken=0x0, mDeviceStates=
          DeviceId(5):[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (1583.21, 378.153)], pilferingPointerIds=<none>]
          DeviceId(7):[touchingPointers=[], downTimeInTarget=<not set>, hoveringPointers=[Pointer(id=0, MOUSE) at (1749.23, 29.8594)], pilferingPointerIds=<none>]
Flag: EXEMPT refactor
Change-Id: Id2c6b2b5f4f12699ea333c2483dfd62994374d50