ART: Increase the number of potential instrinsics

The new limit is 256 intrinsics.

Adds additional sanity checks.

Avoids setting the kAccPreviouslyWarm bit for intrinics (defaults to
true).

Bug: 65872996
Test: art/test.py --host -j32
Change-Id: I33ea67c9b6b8500b3ceb8a085358f075f6fcbb82
diff --git a/runtime/jit/jit_code_cache.cc b/runtime/jit/jit_code_cache.cc
index 40a5212..ae08fe2 100644
--- a/runtime/jit/jit_code_cache.cc
+++ b/runtime/jit/jit_code_cache.cc
@@ -534,7 +534,7 @@
 
 static void ClearMethodCounter(ArtMethod* method, bool was_warm) {
   if (was_warm) {
-    method->AddAccessFlags(kAccPreviouslyWarm);
+    method->SetPreviouslyWarm();
   }
   // We reset the counter to 1 so that the profile knows that the method was executed at least once.
   // This is required for layout purposes.