Merge changes Id67203bb,I0c1dd57f

* changes:
  liblog: move LOG_ID_DEFAULT into the log_id enum
  liblog: use int32_t and uint32_t for new NDK APIs
tree: bc980f183720538c2ccd2cc610311fd42c465f44
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/