Do not filter member rules in synthetic -nohorizontalclassmerging rule

Bug: b/316100042
Change-Id: I4e0e83b6350b60cf295c46475cb81c9990881ca8

src/main/java/com/android/tools/r8/shaking/ProguardIfRule.java

diff --git a/src/main/java/com/android/tools/r8/shaking/ProguardIfRule.java b/src/main/java/com/android/tools/r8/shaking/ProguardIfRule.java
index f060d22..fcd8ee0 100644
--- a/src/main/java/com/android/tools/r8/shaking/ProguardIfRule.java
+++ b/src/main/java/com/android/tools/r8/shaking/ProguardIfRule.java
@@ -252,7 +252,6 @@
     if (getMemberRules() != null) {
       memberRules =
           getMemberRules().stream()
-              .filter(rule -> rule.getRuleType().includesMethods())
               .map(memberRule -> memberRule.materialize(dexItemFactory))
               .collect(Collectors.toList());
     }