Fix MainDexTracingTest on Windows

Depending on git configuration, text file may be using CRLF or just LF
as line terminators.

Bug: 62782136
Change-Id: Id45d4fd8f22b24378ba629190865079cce756c7d
diff --git a/src/test/java/com/android/tools/r8/maindexlist/MainDexTracingTest.java b/src/test/java/com/android/tools/r8/maindexlist/MainDexTracingTest.java
index ca242b7..2549ff1 100644
--- a/src/test/java/com/android/tools/r8/maindexlist/MainDexTracingTest.java
+++ b/src/test/java/com/android/tools/r8/maindexlist/MainDexTracingTest.java
@@ -142,9 +142,9 @@
           .collect(Collectors.toList());
       Collections.sort(resultMainDexList);
       String[] refList = new String(Files.readAllBytes(
-          expectedMainDexList), StandardCharsets.UTF_8).split(ToolHelper.LINE_SEPARATOR);
+          expectedMainDexList), StandardCharsets.UTF_8).split("\n");
       for (int i = 0; i < refList.length; i++) {
-        String reference = refList[i];
+        String reference = refList[i].trim();
         String computed = resultMainDexList.get(i);
         if (reference.contains("-$$Lambda$")) {
           // For lambda classes we check that there is a lambda class for the right containing