Photo Picker: Enable Zoom feature.

Bug: 1029056, 656015
Change-Id: I63d2c7b650ddd64dcb48ef89a4179bea5e3b2ec8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1949477
Commit-Queue: Finnur Thorarinsson <finnur@chromium.org>
Commit-Queue: Peter Beverloo <peter@chromium.org>
Auto-Submit: Finnur Thorarinsson <finnur@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721453}

chrome/browser/android/chrome_feature_list.cc

@@ -498,7 +498,7 @@ const base::Feature kPhotoPickerVideoSupport{"PhotoPickerVideoSupport",
                                              base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kPhotoPickerZoom{"PhotoPickerZoom",
-                                     base::FEATURE_DISABLED_BY_DEFAULT};
+                                     base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kReachedCodeProfiler{"ReachedCodeProfiler",
                                          base::FEATURE_DISABLED_BY_DEFAULT};