Cleanup logic on madvising vdex/dex files.

- Be consistent between dex in .vdex file and uncompressed dex file in
  APK
- Remove old and duplicated madvise logic for low ram.

Test: test.py
Bug: 278785544
Bug: 196052575
Bug: 178853586
Change-Id: I0b9cbf3273091cf7cbd8add9966ba21f6ac93d45

1 files changed, 0 insertions, 3 deletions

diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index 4ef00615d1..19f79481f5 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -1405,9 +1405,6 @@ bool ClassLinker::InitFromBootImage(std::string* error_msg) {
                       error_msg)) {
     return false;
   }
-  for (const std::unique_ptr<const DexFile>& dex_file : boot_dex_files_) {
-    OatDexFile::MadviseDexFileAtLoad(*dex_file);
-  }
   InitializeObjectVirtualMethodHashes(GetClassRoot<mirror::Object>(this),
                                       image_pointer_size_,
                                       ArrayRef<uint32_t>(object_virtual_method_hashes_));