[TTS] Change color of secondary text in the Bar.

BUG=958954

Change-Id: Id4fa46cc7d1f7a87dafb7ba4f71ed443933db696
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1592700Reviewed-by: Becky Zhou <huayinz@chromium.org>
Commit-Queue: Becky Zhou <huayinz@chromium.org>
Auto-Submit: Donn Denman <donnd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#656467}

chrome/android/java/res/values-v17/styles.xml

@@ -549,12 +549,7 @@
         <item name="android:includeFontPadding">false</item>
         <item name="android:requiresFadingEdge">horizontal</item>
         <item name="android:singleLine">true</item>
-        <item name="android:textAppearance">
-            @style/TextAppearance.ContextualSearchContextTextView</item>
-    </style>
-    <style name="TextAppearance.ContextualSearchContextTextView">
-        <item name="android:textColor">#CCC</item>
-        <item name="android:textSize">@dimen/text_size_large</item>
+        <item name="android:textAppearance">@style/TextAppearance.BlackHint1</item>
     </style>
     <style name="ContextualSearchCaptionTextView">
         <item name="android:layout_width">match_parent</item>