Add support for overriding power manager flags

Users can now override the flags on USER_DEBUG and ENG builds using adb
shell setprop persist.sys.<FLAG_NAME>-override <true|false>

Bug: 349557782
Test: Manual
Change-Id: I3e7d99a874445cb431ffb0c49a3cea67e76e5952

1 files changed, 12 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/power/feature/PowerManagerFlags.java b/services/core/java/com/android/server/power/feature/PowerManagerFlags.java
index ff1d2e402350..c6ef89dcff69 100644
--- a/services/core/java/com/android/server/power/feature/PowerManagerFlags.java
+++ b/services/core/java/com/android/server/power/feature/PowerManagerFlags.java
@@ -16,6 +16,8 @@
 
 package com.android.server.power.feature;
 
+import android.os.Build;
+import android.os.SystemProperties;
 import android.text.TextUtils;
 import android.util.Slog;
 
@@ -82,7 +84,7 @@ public class PowerManagerFlags {
                 }
                 return mEnabled;
             }
-            mEnabled = mFlagFunction.get();
+            mEnabled = flagOrSystemProperty(mFlagFunction, mName);
             if (DEBUG) {
                 Slog.d(TAG, mName + ": mEnabled. Flag value = " + mEnabled);
             }
@@ -90,6 +92,15 @@ public class PowerManagerFlags {
             return mEnabled;
         }
 
+        private boolean flagOrSystemProperty(Supplier<Boolean> flagFunction, String flagName) {
+            boolean flagValue = flagFunction.get();
+            if (Build.IS_ENG || Build.IS_USERDEBUG) {
+                return SystemProperties.getBoolean("persist.sys." + flagName + "-override",
+                        flagValue);
+            }
+            return flagValue;
+        }
+
         @Override
         public String toString() {
             // remove com.android.server.power.feature.flags. from the beginning of the name.