Fix @code escapes

The body of {@code} must not be HTML escaped. This is one of
several changes that fix the source in conjunction with a
doclava fix.

Bug: 25757239
Change-Id: Ib38a0fa2dd2a3d68e467f78a812071e763d7e881

keystore/java/android/security/KeyChain.java

@@ -457,9 +457,9 @@ public final class KeyChain {
      * KeyFactory keyFactory =
      *     KeyFactory.getInstance(key.getAlgorithm(), "AndroidKeyStore");
      * KeyInfo keyInfo = keyFactory.getKeySpec(key, KeyInfo.class);
-     * if (keyInfo.isInsideSecureHardware()) {
+     * if (keyInfo.isInsideSecureHardware()) {
      *     // The key is bound to the secure hardware of this Android
-     * &#125;}</pre>
+     * }}</pre>
      */
     @Deprecated
     public static boolean isBoundKeyAlgorithm(