There is a race condition where the sysfs-vsync thread accesses a value
(in particular a function ptr) that may not have been set yet as this
is done externally.
Change-Id: If1afb1533344e994398b9b6f5bd3dfb125313416
Window 2 is used to query global info about the LCD.
Kanged from patch for aries by Greg Hackmann <ghackmann@google.com>
Change-Id: Idf754d4536337d6c06652c1d0c744dc7c0936b15
Ricardo Cerqueira