VM: Re-format to use at most one newline between functions

runtime/vm/runtime_entry_arm64.cc

Index: runtime/vm/runtime_entry_arm64.cc
diff --git a/runtime/vm/runtime_entry_arm64.cc b/runtime/vm/runtime_entry_arm64.cc
index 2186fc36d6edc8128f158e0297140eead063d76e..a8e9e908937ee6cb62c89733be999f11fc2398ea 100644
--- a/runtime/vm/runtime_entry_arm64.cc
+++ b/runtime/vm/runtime_entry_arm64.cc
@@ -15,7 +15,6 @@ namespace dart {
 
 #define __ assembler->
 
-
 uword RuntimeEntry::GetEntryPoint() const {
   // Compute the effective address. When running under the simulator,
   // this is a redirection address that forces the simulator to call
@@ -37,7 +36,6 @@ uword RuntimeEntry::GetEntryPoint() const {
   return entry;
 }
 
-
 // Generate code to call into the stub which will call the runtime
 // function. Input for the stub is as follows:
 //   SP : points to the arguments and return value array.