Change default refresh rate.

Bug: 314856951
Test: build GSI will default to run at 120fps on devices that supports
120Hz display mode.

Change-Id: Iba9c11146d162316a27285e48912c9542f43260e
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 806be94..a2f3995 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -5332,20 +5332,19 @@
      and a second time clipped to the fill level to indicate charge -->
     <bool name="config_batterymeterDualTone">false</bool>
 
-    <!-- The default refresh rate for a given device. Change this value to set a higher default
-         refresh rate. If the hardware composer on the device supports display modes with a higher
-         refresh rate than the default value specified here, the framework may use those higher
-         refresh rate modes if an app chooses one by setting preferredDisplayModeId or calling
-         setFrameRate().
-         If a non-zero value is set for config_defaultPeakRefreshRate, then
-         config_defaultRefreshRate may be set to 0, in which case the value set for
-         config_defaultPeakRefreshRate will act as the default frame rate. -->
-    <integer name="config_defaultRefreshRate">60</integer>
+    <!-- The default refresh rate for a given device. This value is used to set the
+         global refresh rate vote, and when set to zero it has no effect on the vote.
+         If this value is non-zero but the hardware composer on the device supports
+         display modes with higher refresh rates, the framework may use those higher
+         refresh rate modes if an app chooses one by setting preferredDisplayModeId
+         or calling setFrameRate().-->
+    <integer name="config_defaultRefreshRate">0</integer>
 
-    <!-- The default peak refresh rate for a given device. Change this value if you want to prevent
-         the framework from using higher refresh rates, even if display modes with higher refresh
-         rates are available from hardware composer. Only has an effect if the value is
-         non-zero. -->
+    <!-- The default peak refresh rate for a given device. This value is used to set the
+         global peak refresh rate vote, and when set to zero it has no effect on the vote.
+         Change this value to non-zero if you want to prevent the framework from using higher
+         refresh rates, even if display modes with higher refresh rates are available from
+         hardware composer. -->
     <integer name="config_defaultPeakRefreshRate">0</integer>
 
     <!-- External display peak refresh rate for the given device. Change this value if you want to