Merge "libbinder: document not to use TextOutput"

// ---------------------------------------------------------------------------

// DO NOT USE: prefer libutils/libbase logs, which don't require static data to

// be allocated.

// Text output stream for printing to the log (via utils/Log.h).

extern TextOutput& alog;

// DO NOT USE: prefer libutils/libbase logs, which don't require static data to

// be allocated.

// Text output stream for printing to stdout.

extern TextOutput& aout;

// DO NOT USE: prefer libutils/libbase logs, which don't require static data to

// be allocated.

// Text output stream for printing to stderr.

extern TextOutput& aerr;