display: update default brightness

Bug: 224528056
Test: Check the frist brightness value
Change-Id: I31f9e975d7fc94b59b2ed94cbabbf992db809292

lynx/overlay/frameworks/base/core/res/res/values/config.xml

@@ -42,7 +42,7 @@
 
     <!-- Default screen brightness setting
          Must be in the range specified by minimum and maximum. -->
-    <item name="config_screenBrightnessSettingDefaultFloat" format="float" type="dimen">0.17429718</item>
+    <item name="config_screenBrightnessSettingDefaultFloat" format="float" type="dimen">0.140280561</item>
 
     <!-- Whether the display cutout region of the main built-in display should be forced to
         black in software (to avoid aliasing or emulate a cutout that is not physically existent).