Clean up fully rolled out PowerExemptionBgUsageFix

Flag was rolled out in Android V.

Bug: 335663055
Test: TH
Flag: EXEMPT flag cleanup
Change-Id: I99e10a2ad2d133810aec4abfcfe2451aa817cb09
diff --git a/core/java/android/app/admin/flags/flags.aconfig b/core/java/android/app/admin/flags/flags.aconfig
index 37cfec0..3583f0b 100644
--- a/core/java/android/app/admin/flags/flags.aconfig
+++ b/core/java/android/app/admin/flags/flags.aconfig
@@ -207,16 +207,6 @@
 }
 
 flag {
-  name: "power_exemption_bg_usage_fix"
-  namespace: "enterprise"
-  description: "Ensure aps with EXEMPT_FROM_POWER_RESTRICTIONS can execute in the background"
-  bug: "333379020"
-  metadata {
-    purpose: PURPOSE_BUGFIX
-  }
-}
-
-flag {
   name: "disallow_user_control_stopped_state_fix"
   namespace: "enterprise"
   description: "Ensure DPM.setUserControlDisabledPackages() clears FLAG_STOPPED for the app"
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index a80ee0f..3f875e4 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -20666,9 +20666,7 @@
                     // have OP_RUN_ANY_IN_BACKGROUND app op and won't execute in the background. The
                     // code below grants that app op, and once the exemption is in place, the user
                     // won't be able to disable background usage anymore.
-                    if (Flags.powerExemptionBgUsageFix()
-                            && exemption == EXEMPT_FROM_POWER_RESTRICTIONS
-                            && newMode == MODE_ALLOWED) {
+                    if (exemption == EXEMPT_FROM_POWER_RESTRICTIONS && newMode == MODE_ALLOWED) {
                         setBgUsageAppOp(appOpsMgr, appInfo);
                     }
                 }