Revert "Make the JIT zygote memory shared."

This reverts commit 05f87217ddc9b4b9186710c0135b918f456c5aef.

Bug: 119800099
Bug: 136110523

Reason for revert: testWebview flaking

Change-Id: I96afa6bc9c56c4aaf5ed72ae370f6f69c096c559
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 6f3b9fe..2153ddd 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -384,7 +384,6 @@
                             ArtMethod* method,
                             bool baseline,
                             bool osr,
-                            bool is_shared_jit_code,
                             VariableSizedHandleScope* handles) const;
 
   CodeGenerator* TryCompileIntrinsic(ArenaAllocator* allocator,
@@ -784,7 +783,6 @@
                                               ArtMethod* method,
                                               bool baseline,
                                               bool osr,
-                                              bool is_shared_jit_code,
                                               VariableSizedHandleScope* handles) const {
   MaybeRecordStat(compilation_stats_.get(), MethodCompilationStat::kAttemptBytecodeCompilation);
   const CompilerOptions& compiler_options = GetCompilerOptions();
@@ -852,8 +850,7 @@
       kInvalidInvokeType,
       dead_reference_safe,
       compiler_options.GetDebuggable(),
-      /* osr= */ osr,
-      /* is_shared_jit_code= */ is_shared_jit_code);
+      /* osr= */ osr);
 
   if (method != nullptr) {
     graph->SetArtMethod(method);
@@ -1110,7 +1107,6 @@
                        method,
                        compiler_options.IsBaseline(),
                        /* osr= */ false,
-                       /* is_shared_jit_code= */ false,
                        &handles));
       }
     }
@@ -1372,7 +1368,6 @@
                    method,
                    baseline,
                    osr,
-                   /* is_shared_jit_code= */ code_cache->IsSharedRegion(*region),
                    &handles));
     if (codegen.get() == nullptr) {
       return false;