PowerManager: Add one prop to control the max brightness.

Add the prop "persist.power.max.brightness" to control the max screen
brightness. If this prop do not defined, the default value will be
got from the res config_screenBrightnessSettingMaximum.

CRs-fixed: 775936

Change-Id: Ida274df8cb5ee42ecd4d51b4c9194157237486f3

parent ed41560e

core/java/android/os/PowerManager.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -399,8 +399,9 @@ public final class PowerManager {
		* @hide
		*/
		public int getMaximumScreenBrightnessSetting() {
		return mContext.getResources().getInteger(
		int maxBrightness = mContext.getResources().getInteger(
		com.android.internal.R.integer.config_screenBrightnessSettingMaximum);
		return SystemProperties.getInt("persist.power.max.brightness", maxBrightness);
		}

		/**