Merge "Remove Goma resource check code." am: 3ca411b1 am: 7c7d4e96

# Notice: this works only with Google's Goma build infrastructure.

ifneq ($(filter-out false,$(USE_GOMA)),)

  # Goma requires a lot of processes and file descriptors.

  # TODO(yyanagisawa): move these code to build/soong/uil/build/goma.go

  ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1)

    $(warning Max user processes and/or open files are insufficient)

    ifeq ($(shell uname),Darwin)

      $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android to relax the limit)

    else

      $(error Adjust the limit by ulimit -u and ulimit -n)

    endif

  endif

  ifdef GOMA_DIR

    goma_dir := $(GOMA_DIR)

  else