Revert "Fix liveness test of paramater."

This reverts commit df0d6dccb38e28546d4894cc89646e36a09f248b.

Reason for revert: b/145093642

Change-Id: I4029667e9c976f2da705b1e1d57a9ec39becb700

src/main/java/com/android/tools/r8/ir/optimize/info/ParameterUsagesInfo.java

diff --git a/src/main/java/com/android/tools/r8/ir/optimize/info/ParameterUsagesInfo.java b/src/main/java/com/android/tools/r8/ir/optimize/info/ParameterUsagesInfo.java
index 88a5802..e41989a 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/info/ParameterUsagesInfo.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/info/ParameterUsagesInfo.java
@@ -118,8 +118,8 @@
     }
 
     public boolean notUsed() {
-      return (ifZeroTest == null || ifZeroTest.isEmpty())
-          && (callsReceiver == null || callsReceiver.isEmpty())
+      return ifZeroTest == null
+          && callsReceiver == null
           && !hasFieldAssignment
           && !hasFieldRead
           && !isAssignedToField