audio: add definitions for devices connected over IP

Bug: 22068684.
Change-Id: Idde0eaf7121d2e43f32eee3e6b10e99d8cff4912
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index c8f9be0..d3ea9d8 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -375,6 +375,7 @@
         AUDIO_DEVICE_OUT_FM,                "FM",
         AUDIO_DEVICE_OUT_AUX_LINE,          "AUX_LINE",
         AUDIO_DEVICE_OUT_SPEAKER_SAFE,      "SPEAKER_SAFE",
+        AUDIO_DEVICE_OUT_IP,                "IP",
         AUDIO_DEVICE_NONE,                  "NONE",         // must be last
     }, mappingsIn[] = {
         AUDIO_DEVICE_IN_COMMUNICATION,      "COMMUNICATION",
@@ -397,6 +398,7 @@
         AUDIO_DEVICE_IN_SPDIF,              "SPDIF",
         AUDIO_DEVICE_IN_BLUETOOTH_A2DP,     "BLUETOOTH_A2DP",
         AUDIO_DEVICE_IN_LOOPBACK,           "LOOPBACK",
+        AUDIO_DEVICE_IN_IP,                 "IP",
         AUDIO_DEVICE_NONE,                  "NONE",         // must be last
     };
     String8 result;