Revert "SSAID Migration to be Per App/User Unique Values."

This reverts commit 5514fb7aba781d8eabbbfc27a5d27a6b3a447b40.

Change-Id: I0d6b9b9ef3ecda3b7ec1b7160c492ec16c65b125

1 files changed, 0 insertions, 82 deletions

diff --git a/core/java/android/util/ByteStringUtils.java b/core/java/android/util/ByteStringUtils.java
deleted file mode 100644
index 7103e6da0625..000000000000
--- a/core/java/android/util/ByteStringUtils.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2017 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.util;
-
-/**
- * A utility class for common byte array to hex string operations and vise versa.
- *
- * @hide
- */
-public final class ByteStringUtils {
-  private final static char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
-
-  private ByteStringUtils() {
-    /* hide constructor */
-  }
-
-  /**
-   * Returns the hex encoded string representation of bytes.
-   * @param bytes Byte array to encode.
-   * @return Hex encoded string representation of bytes.
-   */
-  public static String toString(byte[] bytes) {
-    if (bytes == null || bytes.length == 0 || bytes.length % 2 != 0) {
-      return null;
-    }
-
-    final int byteLength = bytes.length;
-    final int charCount = 2 * byteLength;
-    final char[] chars = new char[charCount];
-
-    for (int i = 0; i < byteLength; i++) {
-      final int byteHex = bytes[i] & 0xFF;
-      chars[i * 2] = HEX_ARRAY[byteHex >>> 4];
-      chars[i * 2 + 1] = HEX_ARRAY[byteHex & 0x0F];
-    }
-    return new String(chars);
-  }
-
-  /**
-   * Returns the decoded byte array representation of str.
-   * @param str Hex encoded string to decode.
-   * @return Decoded byte array representation of str.
-   */
-  public static byte[] toByteArray(String str) {
-    if (str == null || str.length() == 0 || str.length() % 2 != 0) {
-      return null;
-    }
-
-    final char[] chars = str.toCharArray();
-    final int charLength = chars.length;
-    final byte[] bytes = new byte[charLength / 2];
-
-    for (int i = 0; i < bytes.length; i++) {
-      bytes[i] =
-          (byte)(((getIndex(chars[i * 2]) << 4) & 0xF0) | (getIndex(chars[i * 2 + 1]) & 0x0F));
-    }
-    return bytes;
-  }
-
-  private static int getIndex(char c) {
-    for (int i = 0; i < HEX_ARRAY.length; i++) {
-      if (HEX_ARRAY[i] == c) {
-        return i;
-      }
-    }
-    return -1;
-  }
-}