Revert of [Telemetry] Remove code that handle --browser=any

telemetry/telemetry/internal/browser/browser_finder.py

Index: telemetry/telemetry/internal/browser/browser_finder.py
diff --git a/telemetry/telemetry/internal/browser/browser_finder.py b/telemetry/telemetry/internal/browser/browser_finder.py
index 40f89b7a7c0e70f74d03fdedffaa3921c75036e9..242f491e96fbc21d75476b3f84dfe1dcff219167 100644
--- a/telemetry/telemetry/internal/browser/browser_finder.py
+++ b/telemetry/telemetry/internal/browser/browser_finder.py
@@ -93,6 +93,19 @@
         '--browser must be specified. Available browsers:\n%s' %
         '\n'.join(sorted(set([b.browser_type for b in browsers]))))
 
+  if options.browser_type == 'any':
+    types = FindAllBrowserTypes(options)
+    def CompareBrowsersOnTypePriority(x, y):
+      x_idx = types.index(x.browser_type)
+      y_idx = types.index(y.browser_type)
+      return x_idx - y_idx
+    browsers.sort(CompareBrowsersOnTypePriority)
+    if len(browsers) >= 1:
+      browsers[0].UpdateExecutableIfNeeded()
+      return browsers[0]
+    else:
+      return None
+
   matching_browsers = [b for b in browsers
       if b.browser_type == options.browser_type and
       b.SupportsOptions(options.browser_options)]