msm8660: Enable NEEDS_VECTORIMPL_SYMBOLS needed for camera

Change-Id: Ie836ecf2e2c800ae2189ded7814a58352c1f9ff3
msm8660: enable LPA

Change-Id: Ibce65a5621a9ce0bce5cf2555e1cbce92c32e05e
msm8660: copy QCMetaData.h local temporarily

  * will revert once http://review.cyanogenmod.org/#/c/53434/ is merged

Change-Id: I862d622a14fb79b0fa60b4785f88fcc0b4eef961