message: Make Japanese spellchecker available for DEV flavor
  Follow up to cl/473206344.
  This CL splits Mozc JNI library to two ones.
  libmozc.so: with spellingchecker.
  libmozc_without_spellingchecker.so: without spellingchecker. For LITE flavors.
diff: load("//:build_defs.bzl", "cc_library_mozc")
  cc_library_mozc(
  - name = "mozc_lib",
  + name = "mozc_lib_without_spellchecker",
  srcs = ["mozcjni.cc"],
  visibility = ["//:__pkg__"],
  deps = [
  @@ -59,3 +59,13 @@ cc_library_mozc(
  ],
  alwayslink = 1,
  )
  +
  +cc_library_mozc(
  + name = "mozc_lib",
  + visibility = ["//:__pkg__"],
  + deps = [
  + ":mozc_lib_without_spellchecker",
  + "//spelling:spellchecker_service_registration",
  + ],
  + alwayslink = 1,
  +)
  