Changed logging functions in bionic/logd_write.c.

Main differences from original code:
1. now log channel for LOG_ID_MAIN may exist even if LOG_ID_RADIO
   facility failed.
2. __write_to_log_null() now acts as always successful function.
3. it's more simplier to add new logging channels now

ammended commit fixes my typo on line 130
1 file changed
tree: 9f243790eb257187c67d65b5dd025e75d2b8c81e
  1. libc/
  2. libdl/
  3. libm/
  4. libstdc++/
  5. libthread_db/
  6. linker/
  7. .gitignore
  8. Android.mk