disambiguate mnemonics for $shuffle_jars and $dexsharder actions
RELNOTES: None.

PiperOrigin-RevId: 178693605
diff --git a/src/main/java/com/google/devtools/build/lib/rules/android/AndroidBinary.java b/src/main/java/com/google/devtools/build/lib/rules/android/AndroidBinary.java
index bf99fd9..34df267 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/android/AndroidBinary.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/android/AndroidBinary.java
@@ -1183,7 +1183,7 @@
     SpawnAction.Builder shardAction =
         new SpawnAction.Builder()
             .useDefaultShellEnvironment()
-            .setMnemonic("ShardClassesToDex")
+            .setMnemonic("ShardForMultidex")
             .setProgressMessage("Assembling dex files for %s",
                 ruleContext.getLabel().getCanonicalForm())
             .setExecutable(ruleContext.getExecutablePrerequisite("$dexsharder", Mode.HOST))