Fix crash on boot

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.
Also a typo fix

Change-Id: I21d7024c793ab3b8d833c3a8305110128237ba36
libexif is now libjhead

b/12203995
Change-Id: I78c3eae1dc3a3e37da182513078749ad83d6d004
Merge tag 'android-4.4.3_r1' into HEAD

Android 4.4.3 release 1
Enable -fno-strict-aliasing for tee_client_api

Change-Id: Iee61f0629d04090c1d57bfd4e649a33feb76bfaf
Merge remote-tracking branch 'cm/cm-11.0' into HEAD