之前有写过一笔记，但后面发现是错误的，感谢之前帮我指出错误的博友！
设置应用的：PowerUsageSummary.java文件，会判断：if (mPowerProfile.getAveragePower(PowerProfile.POWER_SCREEN_FULL) < 10)即亮屏时的功耗。这边主要通过：power_profile.xml 进行配置，默认配置是一个很小的值，如0.1mA,而实际配置正常后，如屏亮度为：300mA,此功能即可正常。更详细的内容，请查看：power_profile.xml 的注释说明。
<!-- Most values are the incremental current used by a feature,
in mA (measured at nominal voltage).
The default values are deliberately incorrect dummy values.
OEM's must measure and provide actual values before
shipping a device.
Example real-world values are given in comments, but they
are totally dependent on the platform and can vary
significantly, so should be measured on the shipping platform
with a power meter. -->
<item name="none">0</item>
<item name="screen.on">0.1</item> <!-- ~200mA -->
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