* disable currently broken things
* remove /system/comma, add log to linking in logcatd
* visionimg is broken
* binary for surfaceflinger
* ui QT env vars
* fixup service call with LD_LIBRARY_PATH
* fix model building on pixel
* Add android 9 pie-qpr3 header files; visionimg, eon/hardware.h, logcatd_android.cc compiled
* Delete broken symbol links
* move android 9.0 headers to android_headers_9 submodule
* Use android_headers_9 submodule in SConstruct
Co-authored-by: Comma Device <device@comma.ai>