Fix UseRealColorSpaceForAndroidVideo in about://flags

In https://crrev.com/c/3200349 new about flag was introduced, but was
the name in about_flags.cc was set wrong. This CL fixes it to match
flag-metadata.json

Bug: 1049192
Change-Id: Ic8f033de96cb5691aaeb308f53c45cdd43880c25
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3216556
Commit-Queue: Vasiliy Telezhnikov <[email protected]>
Commit-Queue: Christian Dullweber <[email protected]>
Auto-Submit: Vasiliy Telezhnikov <[email protected]>
Reviewed-by: Christian Dullweber <[email protected]>
Cr-Commit-Position: refs/heads/main@{#930201}

Author: vasilyt

chrome/browser/about_flags.cc

@@ -7660,7 +7660,7 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kWebMidiDescription, kOsAll,
      FEATURE_VALUE_TYPE(features::kWebMidi)},
 #if defined(OS_ANDROID)
-    {"canvas-oop-rasterization",
+    {"use-real-color-space-for-android-video",
      flag_descriptions::kUseRealColorSpaceForAndroidVideoName,
      flag_descriptions::kUseRealColorSpaceForAndroidVideoDescription,
      kOsAndroid, FEATURE_VALUE_TYPE(media::kUseRealColorSpaceForAndroidVideo)},