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

runtime/vm/constants_arm64.h

Index: runtime/vm/constants_arm64.h
diff --git a/runtime/vm/constants_arm64.h b/runtime/vm/constants_arm64.h
index 315a8683606aafbeb5eed5f300d976ab74bf59a9..8601724ff9769f045bda1683508bbe3c18204775 100644
--- a/runtime/vm/constants_arm64.h
+++ b/runtime/vm/constants_arm64.h
@@ -58,7 +58,6 @@ enum Register {
   LR = R30,
 };
 
-
 enum VRegister {
   V0 = 0,
   V1 = 1,
@@ -138,7 +137,6 @@ const int64_t kWRegMask = 0x00000000ffffffffL;
 typedef uint32_t RegList;
 const RegList kAllCpuRegistersList = 0xFFFF;
 
-
 // C++ ABI call registers.
 const RegList kAbiArgumentCpuRegs = (1 << R0) | (1 << R1) | (1 << R2) |
                                     (1 << R3) | (1 << R4) | (1 << R5) |
@@ -631,7 +629,6 @@ enum FPIntCvtOp {
   SCVTFD = FPIntCvtFixed | B22 | B17,
 };
 
-
 #define APPLY_OP_LIST(_V)                                                      \
   _V(DPImmediate)                                                              \
   _V(CompareBranch)                                                            \
@@ -671,7 +668,6 @@ enum FPIntCvtOp {
   _V(FPImm)                                                                    \
   _V(FPIntCvt)
 
-
 enum Shift {
   kNoShift = -1,
   LSL = 0,  // Logical shift left
@@ -806,7 +802,6 @@ enum InstructionFields {
   kHintOp2Bits = 3,
 };
 
-
 // Helper functions for decoding logical immediates.
 static inline uint64_t RotateRight(uint64_t value,
                                    uint8_t rotate,