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

runtime/vm/bitmap.cc

Index: runtime/vm/bitmap.cc
diff --git a/runtime/vm/bitmap.cc b/runtime/vm/bitmap.cc
index f4d35b401d0c389672df91a735ff7e177f050a54..fd1d3439fdfd0d7fa76b258c4289d1de2a42035a 100644
--- a/runtime/vm/bitmap.cc
+++ b/runtime/vm/bitmap.cc
@@ -30,7 +30,6 @@ void BitmapBuilder::SetLength(intptr_t new_length) {
   length_ = new_length;
 }
 
-
 bool BitmapBuilder::Get(intptr_t bit_offset) const {
   if (!InRange(bit_offset)) {
     return false;
@@ -40,7 +39,6 @@ bool BitmapBuilder::Get(intptr_t bit_offset) const {
   return (byte_offset < data_size_in_bytes_) && GetBit(bit_offset);
 }
 
-
 void BitmapBuilder::Set(intptr_t bit_offset, bool value) {
   if (!InRange(bit_offset)) {
     length_ = bit_offset + 1;
@@ -63,14 +61,12 @@ void BitmapBuilder::Set(intptr_t bit_offset, bool value) {
   SetBit(bit_offset, value);
 }
 
-
 void BitmapBuilder::SetRange(intptr_t min, intptr_t max, bool value) {
   for (intptr_t i = min; i <= max; i++) {
     Set(i, value);
   }
 }
 
-
 void BitmapBuilder::Print() const {
   for (intptr_t i = 0; i < Length(); i++) {
     if (Get(i)) {
@@ -81,7 +77,6 @@ void BitmapBuilder::Print() const {
   }
 }
 
-
 bool BitmapBuilder::GetBit(intptr_t bit_offset) const {
   if (!InRange(bit_offset)) {
     return false;
@@ -94,7 +89,6 @@ bool BitmapBuilder::GetBit(intptr_t bit_offset) const {
   return ((data_[byte_offset] & mask) != 0);
 }
 
-
 void BitmapBuilder::SetBit(intptr_t bit_offset, bool value) {
   if (!InRange(bit_offset)) {
     FATAL1(