Android: enable HW encoding

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 7e2b204f3bc75bf856809d8ce1fb569aed6b95aa..ee3f215ca93c9310d716341ac75a79ddc72c61dc 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -545,6 +545,12 @@ const char kWebrtcHwH264EncodingDescription[] =
     "Support in WebRTC for encoding h264 video streams using platform "
     "hardware.";
 
+const char kWebrtcHwVP8EncodingName[] = "WebRTC hardware vp8 video encoding";
+
+const char kWebrtcHwVP8EncodingDescription[] =
+    "Support in WebRTC for encoding vp8 video streams using platform "
+    "hardware.";
+
 const char kWebrtcSrtpAesGcmName[] =
     "Negotiation with GCM cipher suites for SRTP in WebRTC";