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

runtime/vm/cpu_arm.cc

Index: runtime/vm/cpu_arm.cc
diff --git a/runtime/vm/cpu_arm.cc b/runtime/vm/cpu_arm.cc
index 7a55c0f4423ca5dfaa46383a9aab95719ed1b11b..981d69f0abeff856fc57c163000f2a744e402b14 100644
--- a/runtime/vm/cpu_arm.cc
+++ b/runtime/vm/cpu_arm.cc
@@ -117,7 +117,6 @@ void CPU::FlushICache(uword start, uword size) {
 #endif
 }
 
-
 const char* CPU::Id() {
   return
 #if defined(USING_SIMULATOR)
@@ -126,7 +125,6 @@ const char* CPU::Id() {
       "arm";
 }
 
-
 bool HostCPUFeatures::integer_division_supported_ = false;
 bool HostCPUFeatures::vfp_supported_ = false;
 bool HostCPUFeatures::neon_supported_ = false;
@@ -138,7 +136,6 @@ intptr_t HostCPUFeatures::store_pc_read_offset_ = 8;
 bool HostCPUFeatures::initialized_ = false;
 #endif
 
-
 #if !defined(USING_SIMULATOR)
 #if HOST_OS_IOS
 void HostCPUFeatures::InitOnce() {
@@ -284,7 +281,6 @@ void HostCPUFeatures::InitOnce() {
 #endif
 }
 
-
 void HostCPUFeatures::Cleanup() {
   DEBUG_ASSERT(initialized_);
 #if defined(DEBUG)