Update config.xml

Try out some darker values

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

@@ -88,7 +88,7 @@
 
     <!-- Minimum screen brightness setting allowed by the power manager.
          The user is forbidden from setting the brightness below this level. -->
-    <integer name="config_screenBrightnessSettingMinimum">10</integer>
+    <integer name="config_screenBrightnessSettingMinimum">0</integer>
 
     <!-- Screen brightness used to dim the screen while dozing in a very low power state.
          May be less than the minimum allowed brightness setting
@@ -107,7 +107,7 @@
          some range of adjustment to dim the screen further than usual in very
          dark rooms. The contents of the screen must still be clearly visible
          in darkness (although they may not be visible in a bright room). -->
-    <integer name="config_screenBrightnessDark">5</integer>
+    <integer name="config_screenBrightnessDark">1</integer>
 
     <!-- Whether device supports double tap to wake -->
     <bool name="config_supportDoubleTapWake">false</bool>