Use LOG_F interface for unsupported functions.
Use LOG_F interface for unsupported functions.

This will provide the function name in the log.

BUG=b/8115521
TESTED=enabled ANDROID_NOT_SUPPORTED on Linux and observed log lines as expected

Review URL: https://webrtc-codereview.appspot.com/1096005

git-svn-id: 03ae4fbe531b1eefc9d815f31e49022782c42458@3474 4adac7df-926f-26a2-2b94-8c16560cd09d

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