Reset per-pkg app-ops for runtime permissions

... on every boot.

These should never have been set, but we allow settings them via the
shell.

- Also previously a bug set per-pkg app-ops.
- Also set the app-op correctly when a fg/bg permission looses it's bg
permission.

Test: Set per-pkg app-opp. Rebooted and saw log message.
      atest --test-mapping frameworks/base/services/core/java/com/android/server/pm/permission/:presubmit
Change-Id: If3b56fc08783ea99b4dba70c5fa275b94411ce94
Fixes: 123177944
diff --git a/services/core/java/com/android/server/appop/AppOpsService.java b/services/core/java/com/android/server/appop/AppOpsService.java
index 7ede6dc..26d2d17 100644
--- a/services/core/java/com/android/server/appop/AppOpsService.java
+++ b/services/core/java/com/android/server/appop/AppOpsService.java
@@ -16,8 +16,8 @@
 
 package com.android.server.appop;
 
-import static android.app.AppOpsManager.OP_PLAY_AUDIO;
 import static android.app.AppOpsManager.OP_NONE;
+import static android.app.AppOpsManager.OP_PLAY_AUDIO;
 import static android.app.AppOpsManager.UID_STATE_BACKGROUND;
 import static android.app.AppOpsManager.UID_STATE_CACHED;
 import static android.app.AppOpsManager.UID_STATE_FOREGROUND;
@@ -94,9 +94,9 @@
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.XmlUtils;
 import com.android.internal.util.function.pooled.PooledLambda;
-
 import com.android.server.LocalServices;
 import com.android.server.LockGuard;
+
 import libcore.util.EmptyArray;
 
 import org.xmlpull.v1.XmlPullParser;
@@ -1282,6 +1282,46 @@
         }
     }
 
+    /**
+     * Set all {@link #setMode (package) modes} for this uid to the default value.
+     *
+     * @param code The app-op
+     * @param uid The uid
+     */
+    private void setAllPkgModesToDefault(int code, int uid) {
+        synchronized (this) {
+            UidState uidState = getUidStateLocked(uid, false);
+            if (uidState == null) {
+                return;
+            }
+
+            ArrayMap<String, Ops> pkgOps = uidState.pkgOps;
+            if (pkgOps == null) {
+                return;
+            }
+
+            int numPkgs = pkgOps.size();
+            for (int pkgNum = 0; pkgNum < numPkgs; pkgNum++) {
+                Ops ops = pkgOps.valueAt(pkgNum);
+
+                Op op = ops.get(code);
+                if (op == null) {
+                    continue;
+                }
+
+                int defaultMode = AppOpsManager.opToDefaultMode(code);
+                if (op.mode != defaultMode) {
+                    Slog.w(TAG, "resetting app-op mode for " + AppOpsManager.opToName(code) + " of "
+                            + pkgOps.keyAt(pkgNum));
+
+                    op.mode = defaultMode;
+
+                    scheduleWriteLocked();
+                }
+            }
+        }
+    }
+
     @Override
     public void setMode(int code, int uid, String packageName, int mode) {
         setMode(code, uid, packageName, mode, true, false);
@@ -4387,5 +4427,10 @@
         public void setUidMode(int code, int uid, int mode) {
             AppOpsService.this.setUidMode(code, uid, mode);
         }
+
+        @Override
+        public void setAllPkgModesToDefault(int code, int uid) {
+            AppOpsService.this.setAllPkgModesToDefault(code, uid);
+        }
     }
 }