Do not fail for outlines with no positions

Bug: b/295136314
Change-Id: Ie9879e45089d2f2ded938871e6c138080e90e639
diff --git a/src/main/java/com/android/tools/r8/utils/positions/MappedPositionToClassNameMapperBuilder.java b/src/main/java/com/android/tools/r8/utils/positions/MappedPositionToClassNameMapperBuilder.java
index c3780fb..694fe01 100644
--- a/src/main/java/com/android/tools/r8/utils/positions/MappedPositionToClassNameMapperBuilder.java
+++ b/src/main/java/com/android/tools/r8/utils/positions/MappedPositionToClassNameMapperBuilder.java
@@ -592,7 +592,8 @@
     public void fixup() {
       if (mappedOutlinePositions == null || mappedOutlineCalleePositions.isEmpty()) {
         assert mappedOutlinePositions != null : "Mapped outline positions is null";
-        assert false : "Mapped outline positions is empty";
+        // TODO(b/296195931): Reenable assert.
+        // assert false : "Mapped outline positions is empty";
         return;
       }
       for (Pair<MappedRange, Int2IntMap> mappingInfo : mappedOutlineCalleePositions) {