Change style of search bar text to allow OEM costomization.

Change-Id: I78dbe6780e3a4adefe82a36400d9fff8c1de92e3
Fixes: 68814716
Test: visual
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 193c2b3..dc961be 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -340,6 +340,7 @@
         if (actionBar != null) {
             actionBar.setDisplayHomeAsUpEnabled(mDisplayHomeAsUpEnabled);
             actionBar.setHomeButtonEnabled(mDisplayHomeAsUpEnabled);
+            actionBar.setDisplayShowTitleEnabled(!mIsShowingDashboard);
         }
         mSwitchBar = findViewById(R.id.switch_bar);
         if (mSwitchBar != null) {