Check alpha-sorting of includes during presubmit.

test/cctest/test-disasm-arm64.cc

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 #include <stdio.h>
 #include <cstring>
+
+#include "src/v8.h"
 #include "test/cctest/cctest.h"
 
-#include "src/v8.h"
+#include "src/macro-assembler.h"
 
-#include "src/macro-assembler.h"
 #include "src/arm64/assembler-arm64.h"
-#include "src/arm64/macro-assembler-arm64.h"
 #include "src/arm64/decoder-arm64-inl.h"
 #include "src/arm64/disasm-arm64.h"
+#include "src/arm64/macro-assembler-arm64.h"
 #include "src/arm64/utils-arm64.h"
 
 using namespace v8::internal;
 
 #define TEST_(name)  TEST(DISASM_##name)
 
 #define EXP_SIZE   (256)
 #define INSTR_SIZE (1024)
 #define SET_UP_CLASS(ASMCLASS)                             \
   InitializeVM();                                          \
@@ skipping 1705 matching lines @@
   COMPARE(Dsb(FullSystem, BarrierOther), "dsb sy (0b1100)");
   COMPARE(Dsb(InnerShareable, BarrierOther), "dsb sy (0b1000)");
   COMPARE(Dsb(NonShareable, BarrierOther), "dsb sy (0b0100)");
   COMPARE(Dsb(OuterShareable, BarrierOther), "dsb sy (0b0000)");
 
   // ISB
   COMPARE(Isb(), "isb");
 
   CLEANUP();
 }