diff --git a/packages/CrashRecovery/services/java/com/android/server/PackageWatchdog.java b/packages/CrashRecovery/services/java/com/android/server/PackageWatchdog.java
index 5d71b7d..37b5d40 100644
--- a/packages/CrashRecovery/services/java/com/android/server/PackageWatchdog.java
+++ b/packages/CrashRecovery/services/java/com/android/server/PackageWatchdog.java
@@ -38,15 +38,15 @@
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.AtomicFile;
-import android.util.BackgroundThread;
-import android.util.LongArrayQueue;
 import android.util.Slog;
 import android.util.Xml;
+import android.utils.BackgroundThread;
+import android.utils.LongArrayQueue;
+import android.utils.XmlUtils;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.IndentingPrintWriter;
-import com.android.internal.util.XmlUtils;
 import com.android.modules.utils.TypedXmlPullParser;
 import com.android.modules.utils.TypedXmlSerializer;
 
diff --git a/packages/CrashRecovery/services/java/com/android/server/RescueParty.java b/packages/CrashRecovery/services/java/com/android/server/RescueParty.java
index 9217e70..0fcec26 100644
--- a/packages/CrashRecovery/services/java/com/android/server/RescueParty.java
+++ b/packages/CrashRecovery/services/java/com/android/server/RescueParty.java
@@ -29,7 +29,6 @@
 import android.content.pm.VersionedPackage;
 import android.os.Build;
 import android.os.Environment;
-import android.os.FileUtils;
 import android.os.PowerManager;
 import android.os.RecoverySystem;
 import android.os.SystemClock;
@@ -42,10 +41,11 @@
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.Slog;
+import android.utils.ArrayUtils;
+import android.utils.FileUtils;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.ArrayUtils;
 import com.android.server.PackageWatchdog.FailureReasons;
 import com.android.server.PackageWatchdog.PackageHealthObserver;
 import com.android.server.PackageWatchdog.PackageHealthObserverImpact;
diff --git a/packages/CrashRecovery/services/java/com/android/utils/ArrayUtils.java b/packages/CrashRecovery/services/java/com/android/utils/ArrayUtils.java
new file mode 100644
index 0000000..fa4d6af
--- /dev/null
+++ b/packages/CrashRecovery/services/java/com/android/utils/ArrayUtils.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.utils;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+
+import java.io.File;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Copied over from frameworks/base/core/java/com/android/internal/util/ArrayUtils.java
+ *
+ * @hide
+ */
+public class ArrayUtils {
+    private ArrayUtils() { /* cannot be instantiated */ }
+    public static final File[] EMPTY_FILE = new File[0];
+
+
+    /**
+     * Return first index of {@code value} in {@code array}, or {@code -1} if
+     * not found.
+     */
+    public static <T> int indexOf(@Nullable T[] array, T value) {
+        if (array == null) return -1;
+        for (int i = 0; i < array.length; i++) {
+            if (Objects.equals(array[i], value)) return i;
+        }
+        return -1;
+    }
+
+    /** @hide */
+    public static @NonNull File[] defeatNullable(@Nullable File[] val) {
+        return (val != null) ? val : EMPTY_FILE;
+    }
+
+    /**
+     * Checks if given array is null or has zero elements.
+     */
+    public static boolean isEmpty(@Nullable int[] array) {
+        return array == null || array.length == 0;
+    }
+
+    /**
+     * True if the byte array is null or has length 0.
+     */
+    public static boolean isEmpty(@Nullable byte[] array) {
+        return array == null || array.length == 0;
+    }
+
+    /**
+     * Converts from List of bytes to byte array
+     * @param list
+     * @return byte[]
+     */
+    public static byte[] toPrimitive(List<byte[]> list) {
+        if (list.size() == 0) {
+            return new byte[0];
+        }
+        int byteLen = list.get(0).length;
+        byte[] array = new byte[list.size() * byteLen];
+        for (int i = 0; i < list.size(); i++) {
+            for (int j = 0; j < list.get(i).length; j++) {
+                array[i * byteLen + j] = list.get(i)[j];
+            }
+        }
+        return array;
+    }
+
+    /**
+     * Adds value to given array if not already present, providing set-like
+     * behavior.
+     */
+    public static @NonNull int[] appendInt(@Nullable int[] cur, int val) {
+        return appendInt(cur, val, false);
+    }
+
+    /**
+     * Adds value to given array.
+     */
+    public static @NonNull int[] appendInt(@Nullable int[] cur, int val,
+            boolean allowDuplicates) {
+        if (cur == null) {
+            return new int[] { val };
+        }
+        final int n = cur.length;
+        if (!allowDuplicates) {
+            for (int i = 0; i < n; i++) {
+                if (cur[i] == val) {
+                    return cur;
+                }
+            }
+        }
+        int[] ret = new int[n + 1];
+        System.arraycopy(cur, 0, ret, 0, n);
+        ret[n] = val;
+        return ret;
+    }
+}
diff --git a/packages/CrashRecovery/services/java/com/android/util/BackgroundThread.java b/packages/CrashRecovery/services/java/com/android/utils/BackgroundThread.java
similarity index 99%
rename from packages/CrashRecovery/services/java/com/android/util/BackgroundThread.java
rename to packages/CrashRecovery/services/java/com/android/utils/BackgroundThread.java
index a6ae68f..afcf689 100644
--- a/packages/CrashRecovery/services/java/com/android/util/BackgroundThread.java
+++ b/packages/CrashRecovery/services/java/com/android/utils/BackgroundThread.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package android.util;
+package android.utils;
 
 import android.annotation.NonNull;
 import android.os.Handler;
diff --git a/packages/CrashRecovery/services/java/com/android/utils/FileUtils.java b/packages/CrashRecovery/services/java/com/android/utils/FileUtils.java
new file mode 100644
index 0000000..e4923bf
--- /dev/null
+++ b/packages/CrashRecovery/services/java/com/android/utils/FileUtils.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.utils;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Bits and pieces copied from hidden API of android.os.FileUtils.
+ *
+ * @hide
+ */
+public class FileUtils {
+    /**
+     * Read a text file into a String, optionally limiting the length.
+     *
+     * @param file     to read (will not seek, so things like /proc files are OK)
+     * @param max      length (positive for head, negative of tail, 0 for no limit)
+     * @param ellipsis to add of the file was truncated (can be null)
+     * @return the contents of the file, possibly truncated
+     * @throws IOException if something goes wrong reading the file
+     * @hide
+     */
+    public static @Nullable String readTextFile(@Nullable File file, @Nullable int max,
+            @Nullable String ellipsis) throws IOException {
+        InputStream input = new FileInputStream(file);
+        // wrapping a BufferedInputStream around it because when reading /proc with unbuffered
+        // input stream, bytes read not equal to buffer size is not necessarily the correct
+        // indication for EOF; but it is true for BufferedInputStream due to its implementation.
+        BufferedInputStream bis = new BufferedInputStream(input);
+        try {
+            long size = file.length();
+            if (max > 0 || (size > 0 && max == 0)) {  // "head" mode: read the first N bytes
+                if (size > 0 && (max == 0 || size < max)) max = (int) size;
+                byte[] data = new byte[max + 1];
+                int length = bis.read(data);
+                if (length <= 0) return "";
+                if (length <= max) return new String(data, 0, length);
+                if (ellipsis == null) return new String(data, 0, max);
+                return new String(data, 0, max) + ellipsis;
+            } else if (max < 0) {  // "tail" mode: keep the last N
+                int len;
+                boolean rolled = false;
+                byte[] last = null;
+                byte[] data = null;
+                do {
+                    if (last != null) rolled = true;
+                    byte[] tmp = last;
+                    last = data;
+                    data = tmp;
+                    if (data == null) data = new byte[-max];
+                    len = bis.read(data);
+                } while (len == data.length);
+
+                if (last == null && len <= 0) return "";
+                if (last == null) return new String(data, 0, len);
+                if (len > 0) {
+                    rolled = true;
+                    System.arraycopy(last, len, last, 0, last.length - len);
+                    System.arraycopy(data, 0, last, last.length - len, len);
+                }
+                if (ellipsis == null || !rolled) return new String(last);
+                return ellipsis + new String(last);
+            } else {  // "cat" mode: size unknown, read it all in streaming fashion
+                ByteArrayOutputStream contents = new ByteArrayOutputStream();
+                int len;
+                byte[] data = new byte[1024];
+                do {
+                    len = bis.read(data);
+                    if (len > 0) contents.write(data, 0, len);
+                } while (len == data.length);
+                return contents.toString();
+            }
+        } finally {
+            bis.close();
+            input.close();
+        }
+    }
+
+    /**
+     * Perform an fsync on the given FileOutputStream. The stream at this
+     * point must be flushed but not yet closed.
+     *
+     * @hide
+     */
+    public static boolean sync(FileOutputStream stream) {
+        try {
+            if (stream != null) {
+                stream.getFD().sync();
+            }
+            return true;
+        } catch (IOException e) {
+        }
+        return false;
+    }
+
+    /**
+     * List the files in the directory or return empty file.
+     *
+     * @hide
+     */
+    public static @NonNull File[] listFilesOrEmpty(@Nullable File dir) {
+        return (dir != null) ? ArrayUtils.defeatNullable(dir.listFiles())
+            : ArrayUtils.EMPTY_FILE;
+    }
+}
diff --git a/packages/CrashRecovery/services/java/com/android/util/HandlerExecutor.java b/packages/CrashRecovery/services/java/com/android/utils/HandlerExecutor.java
similarity index 98%
rename from packages/CrashRecovery/services/java/com/android/util/HandlerExecutor.java
rename to packages/CrashRecovery/services/java/com/android/utils/HandlerExecutor.java
index 948ebcca..fdb15e2 100644
--- a/packages/CrashRecovery/services/java/com/android/util/HandlerExecutor.java
+++ b/packages/CrashRecovery/services/java/com/android/utils/HandlerExecutor.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package android.util;
+package android.utils;
 
 import android.annotation.NonNull;
 import android.os.Handler;
diff --git a/packages/CrashRecovery/services/java/com/android/utils/LongArrayQueue.java b/packages/CrashRecovery/services/java/com/android/utils/LongArrayQueue.java
new file mode 100644
index 0000000..5cdc253
--- /dev/null
+++ b/packages/CrashRecovery/services/java/com/android/utils/LongArrayQueue.java
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.utils;
+
+import libcore.util.EmptyArray;
+
+import java.util.NoSuchElementException;
+
+/**
+ * Copied from frameworks/base/core/java/android/util/LongArrayQueue.java
+ *
+ * @hide
+ */
+public class LongArrayQueue {
+
+    private long[] mValues;
+    private int mSize;
+    private int mHead;
+    private int mTail;
+
+    private long[] newUnpaddedLongArray(int num) {
+        return new long[num];
+    }
+    /**
+     * Initializes a queue with the given starting capacity.
+     *
+     * @param initialCapacity the capacity.
+     */
+    public LongArrayQueue(int initialCapacity) {
+        if (initialCapacity == 0) {
+            mValues = EmptyArray.LONG;
+        } else {
+            mValues = newUnpaddedLongArray(initialCapacity);
+        }
+        mSize = 0;
+        mHead = mTail = 0;
+    }
+
+    /**
+     * Initializes a queue with default starting capacity.
+     */
+    public LongArrayQueue() {
+        this(16);
+    }
+
+    /** @hide */
+    public static int growSize(int currentSize) {
+        return currentSize <= 4 ? 8 : currentSize * 2;
+    }
+
+    private void grow() {
+        if (mSize < mValues.length) {
+            throw new IllegalStateException("Queue not full yet!");
+        }
+        final int newSize = growSize(mSize);
+        final long[] newArray = newUnpaddedLongArray(newSize);
+        final int r = mValues.length - mHead; // Number of elements on and to the right of head.
+        System.arraycopy(mValues, mHead, newArray, 0, r);
+        System.arraycopy(mValues, 0, newArray, r, mHead);
+        mValues = newArray;
+        mHead = 0;
+        mTail = mSize;
+    }
+
+    /**
+     * Returns the number of elements in the queue.
+     */
+    public int size() {
+        return mSize;
+    }
+
+    /**
+     * Removes all elements from this queue.
+     */
+    public void clear() {
+        mSize = 0;
+        mHead = mTail = 0;
+    }
+
+    /**
+     * Adds a value to the tail of the queue.
+     *
+     * @param value the value to be added.
+     */
+    public void addLast(long value) {
+        if (mSize == mValues.length) {
+            grow();
+        }
+        mValues[mTail] = value;
+        mTail = (mTail + 1) % mValues.length;
+        mSize++;
+    }
+
+    /**
+     * Removes an element from the head of the queue.
+     *
+     * @return the element at the head of the queue.
+     * @throws NoSuchElementException if the queue is empty.
+     */
+    public long removeFirst() {
+        if (mSize == 0) {
+            throw new NoSuchElementException("Queue is empty!");
+        }
+        final long ret = mValues[mHead];
+        mHead = (mHead + 1) % mValues.length;
+        mSize--;
+        return ret;
+    }
+
+    /**
+     * Returns the element at the given position from the head of the queue, where 0 represents the
+     * head of the queue.
+     *
+     * @param position the position from the head of the queue.
+     * @return the element found at the given position.
+     * @throws IndexOutOfBoundsException if {@code position} < {@code 0} or
+     *                                   {@code position} >= {@link #size()}
+     */
+    public long get(int position) {
+        if (position < 0 || position >= mSize) {
+            throw new IndexOutOfBoundsException("Index " + position
+                + " not valid for a queue of size " + mSize);
+        }
+        final int index = (mHead + position) % mValues.length;
+        return mValues[index];
+    }
+
+    /**
+     * Returns the element at the head of the queue, without removing it.
+     *
+     * @return the element at the head of the queue.
+     * @throws NoSuchElementException if the queue is empty
+     */
+    public long peekFirst() {
+        if (mSize == 0) {
+            throw new NoSuchElementException("Queue is empty!");
+        }
+        return mValues[mHead];
+    }
+
+    /**
+     * Returns the element at the tail of the queue.
+     *
+     * @return the element at the tail of the queue.
+     * @throws NoSuchElementException if the queue is empty.
+     */
+    public long peekLast() {
+        if (mSize == 0) {
+            throw new NoSuchElementException("Queue is empty!");
+        }
+        final int index = (mTail == 0) ? mValues.length - 1 : mTail - 1;
+        return mValues[index];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String toString() {
+        if (mSize <= 0) {
+            return "{}";
+        }
+
+        final StringBuilder buffer = new StringBuilder(mSize * 64);
+        buffer.append('{');
+        buffer.append(get(0));
+        for (int i = 1; i < mSize; i++) {
+            buffer.append(", ");
+            buffer.append(get(i));
+        }
+        buffer.append('}');
+        return buffer.toString();
+    }
+}
diff --git a/packages/CrashRecovery/services/java/com/android/utils/XmlUtils.java b/packages/CrashRecovery/services/java/com/android/utils/XmlUtils.java
new file mode 100644
index 0000000..dbbef61
--- /dev/null
+++ b/packages/CrashRecovery/services/java/com/android/utils/XmlUtils.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.utils;
+
+import android.annotation.NonNull;
+import android.system.ErrnoException;
+import android.system.Os;
+
+import com.android.modules.utils.TypedXmlPullParser;
+
+import libcore.util.XmlObjectFactory;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Copied over partly from frameworks/base/core/java/com/android/internal/util/XmlUtils.java
+ *
+ * @hide
+ */
+public class XmlUtils {
+
+    private static final String STRING_ARRAY_SEPARATOR = ":";
+
+    /** @hide */
+    public static final void beginDocument(XmlPullParser parser, String firstElementName)
+            throws XmlPullParserException, IOException {
+        int type;
+        while ((type = parser.next()) != parser.START_TAG
+            && type != parser.END_DOCUMENT) {
+            // Do nothing
+        }
+
+        if (type != parser.START_TAG) {
+            throw new XmlPullParserException("No start tag found");
+        }
+
+        if (!parser.getName().equals(firstElementName)) {
+            throw new XmlPullParserException("Unexpected start tag: found " + parser.getName()
+                + ", expected " + firstElementName);
+        }
+    }
+
+    /** @hide */
+    public static boolean nextElementWithin(XmlPullParser parser, int outerDepth)
+            throws IOException, XmlPullParserException {
+        for (;;) {
+            int type = parser.next();
+            if (type == XmlPullParser.END_DOCUMENT
+                    || (type == XmlPullParser.END_TAG && parser.getDepth() == outerDepth)) {
+                return false;
+            }
+            if (type == XmlPullParser.START_TAG
+                    && parser.getDepth() == outerDepth + 1) {
+                return true;
+            }
+        }
+    }
+
+    private static XmlPullParser newPullParser() {
+        try {
+            XmlPullParser parser = XmlObjectFactory.newXmlPullParser();
+            parser.setFeature(XmlPullParser.FEATURE_PROCESS_DOCDECL, true);
+            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+            return parser;
+        } catch (XmlPullParserException e) {
+            throw new AssertionError();
+        }
+    }
+
+    /** @hide */
+    public static @NonNull TypedXmlPullParser resolvePullParser(@NonNull InputStream in)
+            throws IOException {
+        final byte[] magic = new byte[4];
+        if (in instanceof FileInputStream) {
+            try {
+                Os.pread(((FileInputStream) in).getFD(), magic, 0, magic.length, 0);
+            } catch (ErrnoException e) {
+                throw e.rethrowAsIOException();
+            }
+        } else {
+            if (!in.markSupported()) {
+                in = new BufferedInputStream(in);
+            }
+            in.mark(8);
+            in.read(magic);
+            in.reset();
+        }
+
+        final TypedXmlPullParser xml;
+        xml = (TypedXmlPullParser) newPullParser();
+        try {
+            xml.setInput(in, "UTF_8");
+        } catch (XmlPullParserException e) {
+            throw new IOException(e);
+        }
+        return xml;
+    }
+}
diff --git a/tests/PackageWatchdog/src/com/android/server/PackageWatchdogTest.java b/tests/PackageWatchdog/src/com/android/server/PackageWatchdogTest.java
index 755636a..75284c7 100644
--- a/tests/PackageWatchdog/src/com/android/server/PackageWatchdogTest.java
+++ b/tests/PackageWatchdog/src/com/android/server/PackageWatchdogTest.java
@@ -43,13 +43,13 @@
 import android.os.test.TestLooper;
 import android.provider.DeviceConfig;
 import android.util.AtomicFile;
-import android.util.LongArrayQueue;
 import android.util.Xml;
+import android.utils.LongArrayQueue;
+import android.utils.XmlUtils;
 
 import androidx.test.InstrumentationRegistry;
 
 import com.android.dx.mockito.inline.extended.ExtendedMockito;
-import com.android.internal.util.XmlUtils;
 import com.android.modules.utils.TypedXmlPullParser;
 import com.android.modules.utils.TypedXmlSerializer;
 import com.android.server.PackageWatchdog.HealthCheckState;