Merge "Add phony target javac-check."

am: 49b524c

* commit '49b524cb4a6d74b3fee49a728714d74202ce76f0':
  Add phony target javac-check.

diff --cc core/host_dalvik_java_library.mk
Simple merge

diff --cc core/java.mk
Simple merge

diff --cc core/main.mk
Simple merge