Fixed API violation errors for 3.6 in ConfigConstants

Change-Id: Ibeb09eb23d47412fa93493bb4e81d24d437e31bc
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>

org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java

@@ -226,10 +226,18 @@ public class ConfigConstants {
 	/** The "pruneexpire" key */
 	public static final String CONFIG_KEY_PRUNEEXPIRE = "pruneexpire";
 
-	/** The "aggressiveDepth" key */
+	/**
+	 * The "aggressiveDepth" key
+	 *
+	 * @since 3.6
+	 */
 	public static final String CONFIG_KEY_AGGRESSIVE_DEPTH = "aggressiveDepth";
 
-	/** The "aggressiveWindow" key */
+	/**
+	 * The "aggressiveWindow" key
+	 *
+	 * @since 3.6
+	 */
 	public static final String CONFIG_KEY_AGGRESSIVE_WINDOW = "aggressiveWindow";
 
 	/** The "mergeoptions" key */