673e4933a1
* Read sysfs entries, to get vsync timestamp from kernel. * External display continues to use in ueventThread. * A new thread, vsyncThread is created to read and send vsync timestamps to HAL. * Disable H/W VSYNC for MDP 5.x targets until kernel changes are complete. (cherry picked from commit a61a58cb775631cd3899211f6ff0aed232f5f3c0) Change-Id: I58e09a092f81d4ff78b8cb4072ff06d2500c6f53