Refactor snapshots pieces to include a section for loading instructions into the heap of a regular …

runtime/bin/extensions_android.cc

Index: runtime/bin/extensions_android.cc
diff --git a/runtime/bin/extensions_android.cc b/runtime/bin/extensions_android.cc
index 44df41027c14f2bb038fa4329a63f305ae0c7f6a..85b20aebbe0597170d2f1b4c3778fa4a90e10f23 100644
--- a/runtime/bin/extensions_android.cc
+++ b/runtime/bin/extensions_android.cc
@@ -11,10 +11,11 @@
 namespace dart {
 namespace bin {
 
-const char* kPrecompiledVMIsolateSymbolName = "_kVmIsolateSnapshot";
-const char* kPrecompiledIsolateSymbolName = "_kIsolateSnapshot";
-const char* kPrecompiledInstructionsSymbolName = "_kInstructionsSnapshot";
-const char* kPrecompiledDataSymbolName = "_kDataSnapshot";
+const char* kVmSnapshotDataSymbolName = "_kDartVmSnapshotData";
+const char* kVmSnapshotInstructionsSymbolName = "_kDartVmSnapshotInstructions";
+const char* kIsolateSnapshotDataSymbolName = "_kDartIsolateSnapshotData";
+const char* kIsolateSnapshotInstructionsSymbolName =
+    "_kDartIsolateSnapshotInstructions";
 
 void* Extensions::LoadExtensionLibrary(const char* library_file) {
   return dlopen(library_file, RTLD_LAZY);