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

runtime/vm/object_arm64_test.cc

Index: runtime/vm/object_arm64_test.cc
diff --git a/runtime/vm/object_arm64_test.cc b/runtime/vm/object_arm64_test.cc
index a88360951b88308de2522ba8c9bdc43bed3cb8d2..5f8635ab725bf61e824e35ce7290b9de7c222707 100644
--- a/runtime/vm/object_arm64_test.cc
+++ b/runtime/vm/object_arm64_test.cc
@@ -30,7 +30,6 @@ void GenerateIncrement(Assembler* assembler) {
   __ ret();
 }
 
-
 // Generate a dart code sequence that embeds a string object in it.
 // This is used to test Embedded String objects in the instructions.
 void GenerateEmbedStringInCode(Assembler* assembler, const char* str) {
@@ -42,7 +41,6 @@ void GenerateEmbedStringInCode(Assembler* assembler, const char* str) {
   __ ret();
 }
 
-
 // Generate a dart code sequence that embeds a smi object in it.
 // This is used to test Embedded Smi objects in the instructions.
 void GenerateEmbedSmiInCode(Assembler* assembler, intptr_t value) {