AOSP: cleanup include paths and warnings

BZ: 209178

Include header file from top of module only
Move makefiles to top of module
Fix all warnings and enable -Werror

Change-Id: I6921b41d5512a81aaeb167383b9392efbae275bf
Signed-off-by: Thierry Strudel <thierry.strudel@intel.com>
Reviewed-on: https://android.intel.com/217843
Reviewed-by: Imberton, Guilhem <guilhem.imberton@intel.com>
Tested-by: Imberton, Guilhem <guilhem.imberton@intel.com>
102 files changed