Remove temporary logging.

This changelist reverts the following CLs that added temporary
logging:
d946f86f124fca87c757100e49ba7d5b206c8a44
a33c13df134ee3618c72e70a69433a27b934702f
e7b2f6920bcb4a989da4798a72fcc61d0572dd60

Fixes: 71506345
Test: presubmit
Change-Id: Icfc016a752e5ac2bfb1537be67cda1c4ea3e6442
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 82c3383..eba7471 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -173,7 +173,6 @@
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -223,9 +222,6 @@
     // Whether to invoke an activity callback after delivering new configuration.
     private static final boolean REPORT_TO_ACTIVITY = true;
 
-    // Maximum number of recent tokens to maintain for debugging purposes
-    private static final int MAX_DESTROYED_ACTIVITIES = 10;
-
     /**
      * Denotes an invalid sequence number corresponding to a process state change.
      */
@@ -258,8 +254,6 @@
     final H mH = new H();
     final Executor mExecutor = new HandlerExecutor(mH);
     final ArrayMap<IBinder, ActivityClientRecord> mActivities = new ArrayMap<>();
-    final ArrayList<DestroyedActivityInfo> mRecentDestroyedActivities = new ArrayList<>();
-
     // List of new activities (via ActivityRecord.nextIdle) that should
     // be reported when next we idle.
     ActivityClientRecord mNewActivities = null;
@@ -341,26 +335,6 @@
         }
     }
 
-    /**
-     * TODO(b/71506345): Remove this once bug is resolved.
-     */
-    private static final class DestroyedActivityInfo {
-        private final Integer mToken;
-        private final String mReason;
-        private final long mTime;
-
-        DestroyedActivityInfo(Integer token, String reason) {
-            mToken = token;
-            mReason = reason;
-            mTime = System.currentTimeMillis();
-        }
-
-        void dump(PrintWriter pw, String prefix) {
-            pw.println(prefix + "[token:" + mToken + " | time:" + mTime + " | reason:" + mReason
-                    + "]");
-        }
-    }
-
     // The lock of mProviderMap protects the following variables.
     final ArrayMap<ProviderKey, ProviderClientRecord> mProviderMap
         = new ArrayMap<ProviderKey, ProviderClientRecord>();
@@ -2195,32 +2169,6 @@
         pw.println(String.format(format, objs));
     }
 
-    @Override
-    public void dump(PrintWriter pw, String prefix) {
-        pw.println(prefix + "Activities:");
-
-        if (!mActivities.isEmpty()) {
-            final Iterator<Map.Entry<IBinder, ActivityClientRecord>> activitiesIterator =
-                    mActivities.entrySet().iterator();
-
-            while (activitiesIterator.hasNext()) {
-                final ArrayMap.Entry<IBinder, ActivityClientRecord> entry =
-                        activitiesIterator.next();
-                pw.println(prefix + "  [token:" + entry.getKey().hashCode() + " record:"
-                        + entry.getValue().toString() + "]");
-            }
-        }
-
-        if (!mRecentDestroyedActivities.isEmpty()) {
-            pw.println(prefix + "Recent destroyed activities:");
-            for (int i = 0, size = mRecentDestroyedActivities.size(); i < size; i++) {
-                final DestroyedActivityInfo info = mRecentDestroyedActivities.get(i);
-                pw.print(prefix);
-                info.dump(pw, "  ");
-            }
-        }
-    }
-
     public static void dumpMemInfoTable(PrintWriter pw, Debug.MemoryInfo memInfo, boolean checkin,
             boolean dumpFullInfo, boolean dumpDalvik, boolean dumpSummaryOnly,
             int pid, String processName,
@@ -4473,12 +4421,6 @@
             r.setState(ON_DESTROY);
         }
         mActivities.remove(token);
-        mRecentDestroyedActivities.add(0, new DestroyedActivityInfo(token.hashCode(), reason));
-
-        final int recentDestroyedActivitiesSize = mRecentDestroyedActivities.size();
-        if (recentDestroyedActivitiesSize > MAX_DESTROYED_ACTIVITIES) {
-            mRecentDestroyedActivities.remove(recentDestroyedActivitiesSize - 1);
-        }
         StrictMode.decrementExpectedActivityCount(activityClass);
         return r;
     }
diff --git a/core/java/android/app/ClientTransactionHandler.java b/core/java/android/app/ClientTransactionHandler.java
index 0639b00..e26d989 100644
--- a/core/java/android/app/ClientTransactionHandler.java
+++ b/core/java/android/app/ClientTransactionHandler.java
@@ -27,7 +27,6 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.content.ReferrerIntent;
 
-import java.io.PrintWriter;
 import java.util.List;
 
 /**
@@ -192,11 +191,4 @@
      *                       Used to check if we should report relaunch to WM.
      * */
     public abstract void reportRelaunch(IBinder token, PendingTransactionActions pendingActions);
-
-    /**
-     * Debugging output.
-     * @param pw {@link PrintWriter} to write logs to.
-     * @param prefix Prefix to prepend to output.
-     */
-    public abstract void dump(PrintWriter pw, String prefix);
 }
diff --git a/core/java/android/app/servertransaction/ActivityLifecycleItem.java b/core/java/android/app/servertransaction/ActivityLifecycleItem.java
index 7f8c50c..c9193a9 100644
--- a/core/java/android/app/servertransaction/ActivityLifecycleItem.java
+++ b/core/java/android/app/servertransaction/ActivityLifecycleItem.java
@@ -17,9 +17,7 @@
 package android.app.servertransaction;
 
 import android.annotation.IntDef;
-import android.os.Parcel;
 
-import java.io.PrintWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
@@ -28,7 +26,6 @@
  * @hide
  */
 public abstract class ActivityLifecycleItem extends ClientTransactionItem {
-    private String mDescription;
 
     @IntDef(prefix = { "UNDEFINED", "PRE_", "ON_" }, value = {
             UNDEFINED,
@@ -57,43 +54,8 @@
     @LifecycleState
     public abstract int getTargetState();
 
-
-    protected ActivityLifecycleItem() {
-    }
-
-    protected ActivityLifecycleItem(Parcel in) {
-        mDescription = in.readString();
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeString(mDescription);
-    }
-
-    /**
-     * Sets a description that can be retrieved later for debugging purposes.
-     * @param description Description to set.
-     * @return The {@link ActivityLifecycleItem}.
-     */
-    public ActivityLifecycleItem setDescription(String description) {
-        mDescription = description;
-        return this;
-    }
-
-    /**
-     * Retrieves description if set through {@link #setDescription(String)}.
-     */
-    public String getDescription() {
-        return mDescription;
-    }
-
-    void dump(PrintWriter pw, String prefix) {
-        pw.println(prefix + "target state:" + getTargetState());
-        pw.println(prefix + "description: " + mDescription);
-    }
-
+    /** Called by subclasses to make sure base implementation is cleaned up */
     @Override
     public void recycle() {
-        setDescription(null);
     }
 }
diff --git a/core/java/android/app/servertransaction/ClientTransaction.java b/core/java/android/app/servertransaction/ClientTransaction.java
index fc07879..08ad2f0 100644
--- a/core/java/android/app/servertransaction/ClientTransaction.java
+++ b/core/java/android/app/servertransaction/ClientTransaction.java
@@ -26,7 +26,6 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 
-import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
@@ -238,12 +237,4 @@
         result = 31 * result + Objects.hashCode(mLifecycleStateRequest);
         return result;
     }
-
-    void dump(PrintWriter pw, String prefix) {
-        pw.println(prefix + "mActivityToken:" + mActivityToken.hashCode());
-        pw.println(prefix + "mLifecycleStateRequest:");
-        if (mLifecycleStateRequest != null) {
-            mLifecycleStateRequest.dump(pw, prefix + "  ");
-        }
-    }
 }
diff --git a/core/java/android/app/servertransaction/DestroyActivityItem.java b/core/java/android/app/servertransaction/DestroyActivityItem.java
index 0edcf18..b443166 100644
--- a/core/java/android/app/servertransaction/DestroyActivityItem.java
+++ b/core/java/android/app/servertransaction/DestroyActivityItem.java
@@ -37,7 +37,7 @@
             PendingTransactionActions pendingActions) {
         Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityDestroy");
         client.handleDestroyActivity(token, mFinished, mConfigChanges,
-                false /* getNonConfigInstance */, getDescription());
+                false /* getNonConfigInstance */, "DestroyActivityItem");
         Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
     }
 
@@ -77,14 +77,12 @@
     /** Write to Parcel. */
     @Override
     public void writeToParcel(Parcel dest, int flags) {
-        super.writeToParcel(dest, flags);
         dest.writeBoolean(mFinished);
         dest.writeInt(mConfigChanges);
     }
 
     /** Read from Parcel. */
     private DestroyActivityItem(Parcel in) {
-        super(in);
         mFinished = in.readBoolean();
         mConfigChanges = in.readInt();
     }
diff --git a/core/java/android/app/servertransaction/PauseActivityItem.java b/core/java/android/app/servertransaction/PauseActivityItem.java
index 65e4291..0c1eab5 100644
--- a/core/java/android/app/servertransaction/PauseActivityItem.java
+++ b/core/java/android/app/servertransaction/PauseActivityItem.java
@@ -115,7 +115,6 @@
     /** Write to Parcel. */
     @Override
     public void writeToParcel(Parcel dest, int flags) {
-        super.writeToParcel(dest, flags);
         dest.writeBoolean(mFinished);
         dest.writeBoolean(mUserLeaving);
         dest.writeInt(mConfigChanges);
@@ -124,7 +123,6 @@
 
     /** Read from Parcel. */
     private PauseActivityItem(Parcel in) {
-        super(in);
         mFinished = in.readBoolean();
         mUserLeaving = in.readBoolean();
         mConfigChanges = in.readInt();
diff --git a/core/java/android/app/servertransaction/ResumeActivityItem.java b/core/java/android/app/servertransaction/ResumeActivityItem.java
index d16bc97..909eec7 100644
--- a/core/java/android/app/servertransaction/ResumeActivityItem.java
+++ b/core/java/android/app/servertransaction/ResumeActivityItem.java
@@ -115,7 +115,6 @@
     /** Write to Parcel. */
     @Override
     public void writeToParcel(Parcel dest, int flags) {
-        super.writeToParcel(dest, flags);
         dest.writeInt(mProcState);
         dest.writeBoolean(mUpdateProcState);
         dest.writeBoolean(mIsForward);
@@ -123,7 +122,6 @@
 
     /** Read from Parcel. */
     private ResumeActivityItem(Parcel in) {
-        super(in);
         mProcState = in.readInt();
         mUpdateProcState = in.readBoolean();
         mIsForward = in.readBoolean();
diff --git a/core/java/android/app/servertransaction/StopActivityItem.java b/core/java/android/app/servertransaction/StopActivityItem.java
index 8db38d3..87db206 100644
--- a/core/java/android/app/servertransaction/StopActivityItem.java
+++ b/core/java/android/app/servertransaction/StopActivityItem.java
@@ -85,14 +85,12 @@
     /** Write to Parcel. */
     @Override
     public void writeToParcel(Parcel dest, int flags) {
-        super.writeToParcel(dest, flags);
         dest.writeBoolean(mShowWindow);
         dest.writeInt(mConfigChanges);
     }
 
     /** Read from Parcel. */
     private StopActivityItem(Parcel in) {
-        super(in);
         mShowWindow = in.readBoolean();
         mConfigChanges = in.readInt();
     }
diff --git a/core/java/android/app/servertransaction/TransactionExecutor.java b/core/java/android/app/servertransaction/TransactionExecutor.java
index 553c3ae..5c803a5 100644
--- a/core/java/android/app/servertransaction/TransactionExecutor.java
+++ b/core/java/android/app/servertransaction/TransactionExecutor.java
@@ -34,8 +34,6 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 
-import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.util.List;
 
 /**
@@ -135,20 +133,7 @@
         final IBinder token = transaction.getActivityToken();
         final ActivityClientRecord r = mTransactionHandler.getActivityClient(token);
 
-        // TODO(b/71506345): Remove once root cause is found.
         if (r == null) {
-            final StringWriter stringWriter = new StringWriter();
-            final PrintWriter pw = new PrintWriter(stringWriter);
-            final String prefix = "  ";
-
-            pw.println("Lifecycle transaction does not have valid ActivityClientRecord.");
-            pw.println("Transaction:");
-            transaction.dump(pw, prefix);
-            pw.println("Executor:");
-            dump(pw, prefix);
-
-            Slog.w(TAG, stringWriter.toString());
-
             // Ignore requests for non-existent client records for now.
             return;
         }
@@ -224,9 +209,4 @@
     private static void log(String message) {
         if (DEBUG_RESOLVER) Slog.d(TAG, message);
     }
-
-    private void dump(PrintWriter pw, String prefix) {
-        pw.println(prefix + "mTransactionHandler:");
-        mTransactionHandler.dump(pw, prefix + "  ");
-    }
 }
diff --git a/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java b/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
index 4901192..0a7d3fd 100644
--- a/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
+++ b/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
@@ -81,7 +81,7 @@
     static final boolean DEBUG_FOREGROUND_SERVICE = DEBUG_ALL || false;
     static final boolean DEBUG_SERVICE_EXECUTING = DEBUG_ALL || false;
     static final boolean DEBUG_STACK = DEBUG_ALL || false;
-    static final boolean DEBUG_STATES = DEBUG_ALL_ACTIVITIES || true;
+    static final boolean DEBUG_STATES = DEBUG_ALL_ACTIVITIES || false;
     static final boolean DEBUG_SWITCH = DEBUG_ALL || false;
     static final boolean DEBUG_TASKS = DEBUG_ALL || false;
     static final boolean DEBUG_TRANSITION = DEBUG_ALL || false;
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index f32717a..16c5969 100644
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -229,8 +229,6 @@
     private static final String ATTR_COMPONENTSPECIFIED = "component_specified";
     static final String ACTIVITY_ICON_SUFFIX = "_activity_icon_";
 
-    private static final int MAX_STORED_STATE_TRANSITIONS = 5;
-
     final ActivityManagerService service; // owner
     final IApplicationToken.Stub appToken; // window manager token
     AppWindowContainerController mWindowContainerController;
@@ -368,28 +366,6 @@
     private final Configuration mTmpConfig = new Configuration();
     private final Rect mTmpBounds = new Rect();
 
-    private final ArrayList<StateTransition> mRecentTransitions = new ArrayList<>();
-
-    // TODO(b/71506345): Remove once issue has been resolved.
-    private static class StateTransition {
-        final long time;
-        final ActivityState prev;
-        final ActivityState state;
-        final String reason;
-
-        StateTransition(ActivityState prev, ActivityState state, String reason) {
-            time = System.currentTimeMillis();
-            this.prev = prev;
-            this.state = state;
-            this.reason = reason;
-        }
-
-        @Override
-        public String toString() {
-            return "[" + prev + "->" + state + ":" + reason + "@" + time + "]";
-        }
-    }
-
     private static String startingWindowStateToString(int state) {
         switch (state) {
             case STARTING_WINDOW_NOT_SHOWN:
@@ -403,21 +379,6 @@
         }
     }
 
-    String getLifecycleDescription(String reason) {
-        StringBuilder transitionBuilder = new StringBuilder();
-
-        for (int i = 0, size = mRecentTransitions.size(); i < size; ++i) {
-            transitionBuilder.append(mRecentTransitions.get(i));
-            if (i + 1 < size) {
-                transitionBuilder.append(",");
-            }
-        }
-
-        return "name= " + this + ", component=" + intent.getComponent().flattenToShortString()
-                + ", package=" + packageName + ", state=" + mState + ", reason=" + reason
-                + ", time=" + System.currentTimeMillis() + " transitions=" + transitionBuilder;
-    }
-
     void dump(PrintWriter pw, String prefix) {
         final long now = SystemClock.uptimeMillis();
         pw.print(prefix); pw.print("packageName="); pw.print(packageName);
@@ -1658,15 +1619,8 @@
             return;
         }
 
-        final ActivityState prev = mState;
         mState = state;
 
-        if (mRecentTransitions.size() == MAX_STORED_STATE_TRANSITIONS) {
-            mRecentTransitions.remove(0);
-        }
-
-        mRecentTransitions.add(new StateTransition(prev, state, reason));
-
         final TaskRecord parent = getTask();
 
         if (parent != null) {
@@ -1770,15 +1724,13 @@
             if (isState(STOPPED, STOPPING) && stack.mTranslucentActivityWaiting == null
                     && mStackSupervisor.getResumedActivityLocked() != this) {
                 // Capture reason before state change
-                final String reason = getLifecycleDescription("makeVisibleIfNeeded");
 
                 // An activity must be in the {@link PAUSING} state for the system to validate
                 // the move to {@link PAUSED}.
                 setState(PAUSING, "makeVisibleIfNeeded");
                 service.getLifecycleManager().scheduleTransaction(app.thread, appToken,
                         PauseActivityItem.obtain(finishing, false /* userLeaving */,
-                                configChangeFlags, false /* dontReport */)
-                                .setDescription(reason));
+                                configChangeFlags, false /* dontReport */));
             }
         } catch (Exception e) {
             // Just skip on any failure; we'll make it visible when it next restarts.
@@ -2737,8 +2689,7 @@
             if (andResume) {
                 lifecycleItem = ResumeActivityItem.obtain(service.isNextTransitionForward());
             } else {
-                lifecycleItem = PauseActivityItem.obtain()
-                        .setDescription(getLifecycleDescription("relaunchActivityLocked"));
+                lifecycleItem = PauseActivityItem.obtain();
             }
             final ClientTransaction transaction = ClientTransaction.obtain(app.thread, appToken);
             transaction.addCallback(callbackItem);
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index eb482c1..e54e645 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -1487,8 +1487,7 @@
 
                 mService.getLifecycleManager().scheduleTransaction(prev.app.thread, prev.appToken,
                         PauseActivityItem.obtain(prev.finishing, userLeaving,
-                                prev.configChangeFlags, pauseImmediately).setDescription(
-                                        prev.getLifecycleDescription("startPausingLocked")));
+                                prev.configChangeFlags, pauseImmediately));
             } catch (Exception e) {
                 // Ignore exception, if process died other code will cleanup.
                 Slog.w(TAG, "Exception thrown during pause", e);
@@ -2694,9 +2693,7 @@
                     next.clearOptionsLocked();
                     transaction.setLifecycleStateRequest(
                             ResumeActivityItem.obtain(next.app.repProcState,
-                                    mService.isNextTransitionForward())
-                                    .setDescription(next.getLifecycleDescription(
-                                            "resumeTopActivityInnerLocked")));
+                                    mService.isNextTransitionForward()));
                     mService.getLifecycleManager().scheduleTransaction(transaction);
 
                     if (DEBUG_STATES) Slog.d(TAG_STATES, "resumeTopActivityLocked: Resumed "
@@ -3480,8 +3477,7 @@
                 EventLogTags.writeAmStopActivity(
                         r.userId, System.identityHashCode(r), r.shortComponentName);
                 mService.getLifecycleManager().scheduleTransaction(r.app.thread, r.appToken,
-                        StopActivityItem.obtain(r.visible, r.configChangeFlags)
-                                .setDescription(r.getLifecycleDescription("stopActivityLocked")));
+                        StopActivityItem.obtain(r.visible, r.configChangeFlags));
                 if (shouldSleepOrShutDownActivities()) {
                     r.setSleeping(true);
                 }
@@ -4308,9 +4304,7 @@
             try {
                 if (DEBUG_SWITCH) Slog.i(TAG_SWITCH, "Destroying: " + r);
                 mService.getLifecycleManager().scheduleTransaction(r.app.thread, r.appToken,
-                        DestroyActivityItem.obtain(r.finishing, r.configChangeFlags)
-                            .setDescription(
-                                    r.getLifecycleDescription("destroyActivityLocked:" + reason)));
+                        DestroyActivityItem.obtain(r.finishing, r.configChangeFlags));
             } catch (Exception e) {
                 // We can just ignore exceptions here...  if the process
                 // has crashed, our death notification will clean things
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index cbf30bd..0fb841e 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -1466,11 +1466,9 @@
                 // Set desired final state.
                 final ActivityLifecycleItem lifecycleItem;
                 if (andResume) {
-                    lifecycleItem = ResumeActivityItem.obtain(mService.isNextTransitionForward())
-                            .setDescription(r.getLifecycleDescription("realStartActivityLocked"));
+                    lifecycleItem = ResumeActivityItem.obtain(mService.isNextTransitionForward());
                 } else {
-                    lifecycleItem = PauseActivityItem.obtain()
-                            .setDescription(r.getLifecycleDescription("realStartActivityLocked"));
+                    lifecycleItem = PauseActivityItem.obtain();
                 }
                 clientTransaction.setLifecycleStateRequest(lifecycleItem);