overlay: config: raise brightness in the lower range.

Raise brightness between lux-input of 11 to 86.
lux output will be around +30-40.

Bug: 7275578
Change-Id: I343ee0ace6b406c16442d82736b1e97114f0c618
diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 75b4207..1082cd9 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -106,7 +106,7 @@
          Must be overridden in platform specific overlays -->
     <integer-array name="config_autoBrightnessLevels">
         <item>10</item>      <!-- Pitch black 0, and 9 is next possible value. -->
-        <item>50</item>      <!-- Sensor in dark office: 60, well lit: 220 -->
+        <item>30</item>      <!-- Sensor in dark office: 60, well lit: 220 -->
         <item>90</item>      <!-- Sensor in dark office: 60, well lit: 220 -->
         <item>15000</item>   <!-- Screen under direct sunlight, but not sensor. -->
         <item>225000</item>  <!-- Sensor under direct sunlight. -->