Don't fake --with-system-nss any more, autodetect build platform toolchain
Don't fake --with-system-nss any more, autodetect build platform toolchain

Change-Id: I5699577ff5a754da079ca3acefd6d9a545154d44

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core