Change class expression to use character list rather than or

Bug: b/234758957
Change-Id: I7490faba42cf49b794097e45298ea87e652f0b19

src/main/java/com/android/tools/r8/retrace/internal/StackTraceRegularExpressionParser.java

diff --git a/src/main/java/com/android/tools/r8/retrace/internal/StackTraceRegularExpressionParser.java b/src/main/java/com/android/tools/r8/retrace/internal/StackTraceRegularExpressionParser.java
index 973a89d..9a74b4e 100644
--- a/src/main/java/com/android/tools/r8/retrace/internal/StackTraceRegularExpressionParser.java
+++ b/src/main/java/com/android/tools/r8/retrace/internal/StackTraceRegularExpressionParser.java
@@ -159,7 +159,7 @@
 
   // TODO(b/145731185): Extend support for identifiers with strings inside back ticks.
   private static final String javaIdentifierSegment =
-      "\\p{javaJavaIdentifierStart}(?:-|\\p{javaJavaIdentifierPart})*";
+      "\\p{javaJavaIdentifierStart}[-\\p{javaJavaIdentifierPart}]*";
 
   private static final String METHOD_NAME_REGULAR_EXPRESSION =
       "(?:(" + javaIdentifierSegment + "|\\<init\\>|\\<clinit\\>))";