Update audio service field trial experiment names.

Update names to match latest finch beta config names.

Bug: 832666
Change-Id: Ic108cf7f545fd174209d0b2eee517999c7875b43
Reviewed-on: https://chromium-review.googlesource.com/1171223Reviewed-by: Robert Kaplow (slow) <rkaplow@chromium.org>
Commit-Queue: Marina Ciocea <marinaciocea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582306}

testing/variations/fieldtrial_testing_config.json

@@ -413,7 +413,7 @@
             ],
             "experiments": [
                 {
-                    "name": "AudioProcess_LaunchOnStartup_v3",
+                    "name": "AudioProcess_LaunchOnStartup_v6",
                     "params": {
                         "teardown_timeout_s": "0"
                     },
@@ -427,11 +427,26 @@
         },
         {
             "platforms": [
-                "android",
-                "chromeos",
                 "linux",
                 "mac"
             ],
+            "experiments": [
+                {
+                    "name": "AudioServiceStreams_v6",
+                    "params": {
+                        "teardown_timeout_s": "0"
+                    },
+                    "enable_features": [
+                        "AudioServiceAudioStreams"
+                    ]
+                }
+            ]
+        },
+        {
+            "platforms": [
+                "android",
+                "chromeos"
+            ],
             "experiments": [
                 {
                     "name": "AudioServiceStreams",