Revert "Only enable nterp on x64."

This reverts commit 65c0768f3011e4b3e65fc7a2e4e898f16a6fd343.

Reason for revert: Fix is in:
https://android-review.googlesource.com/c/platform/art/+/1351542

Change-Id: Ice8e3ef2087fb85fcd7bb6a9ee55c0b34cc76350
Test: test.py
Test: google/perf/app-transition/app-transition-to-recents
Bug: 112676029
Bug: 157402634
diff --git a/runtime/interpreter/mterp/nterp.cc b/runtime/interpreter/mterp/nterp.cc
index 95b4243..2e64a7b 100644
--- a/runtime/interpreter/mterp/nterp.cc
+++ b/runtime/interpreter/mterp/nterp.cc
@@ -33,7 +33,7 @@
 namespace interpreter {
 
 bool IsNterpSupported() {
-  return (kRuntimeISA == InstructionSet::kX86_64) && !kPoisonHeapReferences && kUseReadBarrier;
+  return !kPoisonHeapReferences && kUseReadBarrier;
 }
 
 bool CanRuntimeUseNterp() REQUIRES_SHARED(Locks::mutator_lock_) {