Add some Audio Egress cases at HotwordDetectorEvents

Only add these Audio Egress cases as below:
enum Result {
    ..............................
    AUDIO_EGRESS_START = 20;
    AUDIO_EGRESS_END = 21;
    AUDIO_EGRESS_INTERRUPTED = 22;
    AUDIO_EGRESS_NO_PERMISSION = 23;
    AUDIO_EGRESS_INACTIVE_CLIENT = 24;
    AUDIO_EGRESS_INACTIVE_HOTWORD_DETECTION_SERVICE = 25;
    AUDIO_EGRESS_EMPTY_AUDIO_STREAM_LIST = 26;
    AUDIO_EGRESS_SOURCE_IS_EMPTY = 27;
    AUDIO_EGRESS_ILLEGAL_COPY_BUFFER_SIZE = 28;
    AUDIO_EGRESS_CLOSE_ERROR_FROM_SYSTEM = 29;
    AUDIO_EGRESS_CLOSE_ERROR_FROM_CLIENT = 30;
    AUDIO_EGRESS_CLOSE_ERROR_FROM_HOTWORD_DETECTION_SERVICE = 31;
}

Android Metrics Design Review : eldar/276723226

Bug: 249269473
Test: m
Test: statsd_testdrive 434
Change-Id: I085778d2d995fa3129675e2ee382bde1ef6d94ff
Merged-In: I085778d2d995fa3129675e2ee382bde1ef6d94ff
1 file changed
tree: 70cfe7592aca256ac2c69931548abe93c7f5e25a
  1. stats/
  2. OWNERS