Desugar: Update the comment for the preconditions of adding `DESUGAR_JAVA8_LIBS` invocation replacement range

PiperOrigin-RevId: 312728212

src/tools/android/java/com/google/devtools/build/android/desugar/Desugar.java

diff --git a/src/tools/android/java/com/google/devtools/build/android/desugar/Desugar.java b/src/tools/android/java/com/google/devtools/build/android/desugar/Desugar.java
index b362ad8..961359c 100644
--- a/src/tools/android/java/com/google/devtools/build/android/desugar/Desugar.java
+++ b/src/tools/android/java/com/google/devtools/build/android/desugar/Desugar.java
@@ -159,7 +159,6 @@
       invocationReplacementRangesBuilder.add(REPLACE_CALLS_TO_PRIMITIVE_WRAPPERS);
     }
 
-    // See details at b/157166380 for flag configuration.
     if (options.desugarCoreLibs && options.autoDesugarShadowedApiUse) {
       invocationReplacementRangesBuilder.add(DESUGAR_JAVA8_LIBS);
     }