V4L2VEA: Expose H264 HW encoding as well, even if VP8 is available

H264 is useful for some users that cannot use VP8.

BUG=chromium:414567
TEST=run apprtc and ensure it still uses VP8 where available

Review URL: https://codereview.chromium.org/603263004

Cr-Commit-Position: refs/heads/master@{#297070}

content/common/gpu/media/v4l2_video_encode_accelerator.cc

@@ -292,14 +292,14 @@ V4L2VideoEncodeAccelerator::GetSupportedProfiles() {
     profile.max_framerate_numerator = 30;
     profile.max_framerate_denominator = 1;
     profiles.push_back(profile);
-  } else {
-    profile.profile = media::H264PROFILE_MAIN;
-    profile.max_resolution.SetSize(1920, 1088);
-    profile.max_framerate_numerator = 30;
-    profile.max_framerate_denominator = 1;
-    profiles.push_back(profile);
   }
 
+  profile.profile = media::H264PROFILE_MAIN;
+  profile.max_resolution.SetSize(1920, 1088);
+  profile.max_framerate_numerator = 30;
+  profile.max_framerate_denominator = 1;
+  profiles.push_back(profile);
+
   return profiles;
 }