[DO NOT MERGE] Add a configuration to allow disabling auto-suspend

If a platform needs to control suspension explicitly, it can
set 'config_enableAutoSuspend' to false to disable auto-suspend.

Auto-suspend is enabled by default.

This is only for Q. Autosuspend is done differently in R.

Bug: 143203434
Test: Verified on desktop Automotive hardware
Change-Id: Iac17a7d753b8cd5c0259059713fae29d6e5e6fb0

core/res/res/values/config.xml

@@ -4268,4 +4268,7 @@
     <!-- Boolean indicating whether frameworks needs to reset cell broadcast geo-fencing
          check after reboot or airplane mode toggling -->
     <bool translatable="false" name="reset_geo_fencing_check_after_boot_or_apm">false</bool>
+    <!-- Boolean indicating that the system will use autoSuspend. If set to false, autoSuspend
+         is not used and the system will only suspend upon an explicit request. -->
+    <bool translatable="false" name="config_enableAutoSuspend">true</bool>
 </resources>

core/res/res/values/symbols.xml

@@ -3854,4 +3854,5 @@
 
   <java-symbol type="bool" name="config_automotiveHideNavBarForKeyboard" />
   <java-symbol type="bool" name="reset_geo_fencing_check_after_boot_or_apm" />
+  <java-symbol type="bool" name="config_enableAutoSuspend" />
 </resources>

services/core/java/com/android/server/power/PowerManagerService.java

@@ -421,6 +421,8 @@ public final class PowerManagerService extends SystemService
     // True if doze should not be started until after the screen off transition.
     private boolean mDozeAfterScreenOff;
 
+    private boolean mEnableAutoSuspendConfig;
+
     // The minimum screen off timeout, in milliseconds.
     private long mMinimumScreenOffTimeoutConfig;
 
@@ -954,6 +956,8 @@ public final class PowerManagerService extends SystemService
                 com.android.internal.R.bool.config_powerDecoupleAutoSuspendModeFromDisplay);
         mDecoupleHalInteractiveModeFromDisplayConfig = resources.getBoolean(
                 com.android.internal.R.bool.config_powerDecoupleInteractiveModeFromDisplay);
+        mEnableAutoSuspendConfig = resources.getBoolean(
+                com.android.internal.R.bool.config_enableAutoSuspend);
         mWakeUpWhenPluggedOrUnpluggedConfig = resources.getBoolean(
                 com.android.internal.R.bool.config_unplugTurnsOnScreen);
         mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig = resources.getBoolean(
@@ -2625,7 +2629,8 @@ public final class PowerManagerService extends SystemService
                         if (!mDecoupleHalInteractiveModeFromDisplayConfig) {
                             setHalInteractiveModeLocked(false);
                         }
-                        if (!mDecoupleHalAutoSuspendModeFromDisplayConfig) {
+                        if (mEnableAutoSuspendConfig
+                                && !mDecoupleHalAutoSuspendModeFromDisplayConfig) {
                             setHalAutoSuspendModeLocked(true);
                         }
                     } else {
@@ -2670,7 +2675,7 @@ public final class PowerManagerService extends SystemService
     private void updateSuspendBlockerLocked() {
         final boolean needWakeLockSuspendBlocker = ((mWakeLockSummary & WAKE_LOCK_CPU) != 0);
         final boolean needDisplaySuspendBlocker = needDisplaySuspendBlockerLocked();
-        final boolean autoSuspend = !needDisplaySuspendBlocker;
+        final boolean autoSuspend = mEnableAutoSuspendConfig && !needDisplaySuspendBlocker;
         final boolean interactive = mDisplayPowerRequest.isBrightOrDim();
 
         // Disable auto-suspend if needed.