[error prone] suppress AmbiguousMethodReference in AnyLongObjectId

Move the implementation of the static equals() method to a new method
and suppress the error. Deprecate the old method to signal that we
intend to remove it in the next major release.

See https://errorprone.info/bugpattern/AmbiguousMethodReference

Change-Id: I712697a411ab44c6e05ae4604eb2dcb9c0f8abd3
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AnyLongObjectId.java

@@ -74,9 +74,28 @@ public abstract class AnyLongObjectId implements Comparable<AnyLongObjectId> {
 	 * @param secondObjectId
 	 *            the second identifier to compare. Must not be null.
 	 * @return true if the two identifiers are the same.
+	 * @deprecated use {@link #isEqual(AnyLongObjectId, AnyLongObjectId)}
+	 *             instead.
 	 */
+	@Deprecated
+	@SuppressWarnings("AmbiguousMethodReference")
 	public static boolean equals(final AnyLongObjectId firstObjectId,
 			final AnyLongObjectId secondObjectId) {
+		return isEqual(firstObjectId, secondObjectId);
+	}
+
+	/**
+	 * Compare two object identifier byte sequences for equality.
+	 *
+	 * @param firstObjectId
+	 *            the first identifier to compare. Must not be null.
+	 * @param secondObjectId
+	 *            the second identifier to compare. Must not be null.
+	 * @return true if the two identifiers are the same.
+	 * @since 5.4
+	 */
+	public static boolean isEqual(final AnyLongObjectId firstObjectId,
+			final AnyLongObjectId secondObjectId) {
 		if (References.isSameObject(firstObjectId, secondObjectId)) {
 			return true;
 		}
@@ -276,7 +295,7 @@ public abstract class AnyLongObjectId implements Comparable<AnyLongObjectId> {
 	 *            the other id to compare to. May be null.
 	 * @return true only if both LongObjectIds have identical bits.
 	 */
-	@SuppressWarnings("NonOverridingEquals")
+	@SuppressWarnings({ "NonOverridingEquals", "AmbiguousMethodReference" })
 	public final boolean equals(AnyLongObjectId other) {
 		return other != null ? equals(this, other) : false;
 	}