Use libqcamera2_util to fix build race condition

Previously due to '../' in the source file paths,
the util cpp files got compiled twice and written to the same output
file:
.../SHARED_LIBRARIES/camera.msm8960_intermediates/../util/QCameraQueue.o
.../SHARED_LIBRARIES/camera.flo_intermediates/../util/QCameraQueue.o

Change-Id: I3589c9959d311e04a3921f9e88baeca2194be4c6
3 files changed
tree: d59ec49176d60f8b2a6b071b68d9289e40deb33f
  1. camera/