Merge "Dont' write out the clean_steps.mk if"

CURRENT_CLEAN_STEPS :=

# Write the new state to the file.

#

# Don't write the file if we are running mm/mmm but without a preexisting clean_steps_file.

ifneq (,$(wildcard $(clean_steps_file))$(filter ||,|$(ONE_SHOT_MAKEFILE)|))

$(shell \

  mkdir -p $(dir $(clean_steps_file)) && \

  echo "CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)" > \

  echo "CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)" >> \

      $(clean_steps_file) \

 )

endif

clean_steps_file :=

INTERNAL_CLEAN_STEPS :=