Bug 577894 - Backport Bug 577341 from 4.22 to 4.6

Change-Id: I1cb454ab0ad3f59c2d21a8c9f10cc8336951b667
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/190084
Tested-by: Sarika Sinha <sarika.sinha@in.ibm.com>
Reviewed-by: Sarika Sinha <sarika.sinha@in.ibm.com>

org.eclipse.debug.core/core/org/eclipse/debug/internal/core/XMLMemento.java

diff --git a/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/XMLMemento.java b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/XMLMemento.java
index fb50ce9..2a54c85 100644
--- a/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/XMLMemento.java
+++ b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/XMLMemento.java
@@ -16,8 +16,6 @@
 import java.io.Reader;
 import java.io.Writer;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.function.Predicate;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
@@ -73,12 +71,15 @@
 		StringBuffer strNewValue = new StringBuffer(FILE_STRING);
 		if (attributeOldValue instanceof String && ((String) attributeOldValue).length() != 0) {
 			String strOldValue = (String) attributeOldValue;
-			boolean exists = Arrays.asList(strOldValue.split(",")).stream().anyMatch(new Predicate<String>() { //$NON-NLS-1$
-				@Override
-				public boolean test(String x) {
-					return x.trim().equals(FILE_STRING);
+			boolean exists = false;
+			String[] splittedArray = strOldValue.split(","); //$NON-NLS-1$
+			for (int i = 0; i < splittedArray.length; i++) {
+				String item = splittedArray[i];
+				if (item.trim().equals(FILE_STRING)) {
+					exists = true;
+					break;
 				}
-			});
+			}
 			if (!exists) {
 				strNewValue.append(", ").append(strOldValue); //$NON-NLS-1$
 			} else {