Android平台设置系统默认亮度

硬件平台：QCS6125

软件平台：Android11

    此题记录的意义在于，修改默认的配置项无效，需要修改两处方可：

diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index a0bddefe231..2147a4ed8a0 100755
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1189,7 +1189,7 @@
 
     <!-- Note: This setting is deprecated, please use
     config_screenBrightnessSettingDefaultFloat instead -->
-    <integer name="config_screenBrightnessSettingDefault">102</integer>
+    <integer name="config_screenBrightnessSettingDefault">10</integer>
 
     <!-- Minimum screen brightness setting allowed by power manager.
          -2 is invalid so setting will resort to int value specified above.
diff --git a/packages/SettingsProvider/res/values/defaults.xml b/packages/SettingsProvider/res/values/defaults.xml
index 319362af219..d80292a2fe1 100755
--- a/packages/SettingsProvider/res/values/defaults.xml
+++ b/packages/SettingsProvider/res/values/defaults.xml
@@ -30,7 +30,7 @@
     <bool name="def_auto_time_zone">true</bool>
     <bool name="def_accelerometer_rotation">false</bool>
     <!-- Default screen brightness, from 0 to 255.  102 is 40%. -->
-    <integer name="def_screen_brightness">102</integer>
+    <integer name="def_screen_brightness">10</integer>
     <bool name="def_screen_brightness_automatic_mode">false</bool>
     <fraction name="def_window_animation_scale">0%</fraction>
     <fraction name="def_window_transition_scale">0%</fraction>

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