hwc: Enable rotator during resolution change.

MDP VG pipe framesize register is not double bufferred.
It introduces corrupted frame during resolution change especially when
rotator is not used. Enable rotator to handle the transition case.

Change-Id: Ifec55fee0c762dfb12a09580b80dca6f051a1c86
Acked-by: Ramkumar Radhakrishnan <ramkumar@codeaurora.org>
display: Fix handling of QCOM_BSP

 * Only set this CFLAG if the device declares TARGET_USES_QCOM_BSP.

Change-Id: Id1c02c5d1cca9016d46005333ba1e2a22e75e1cb
Don't build when variant is requested.

Change-Id: I32adc414e5e68af6c409115583984a09d65b6587
qcom_display: add TARGET_PROVIDES_LIBLIGHT for msm8960 target

Change-Id: I53a29e75f78fe3daa1da056049aac527c2882cca
Merge tag 'android-4.4.1_r1' into HEAD

Android 4.4.1 Release 1