Revert^2 "ART: Refactor typedef to using"

This reverts commit ee07743e03042c2ca36e0c9513847a9e7d2509f1.

Reason for revert: fixed attributes.

Bug: 32619234
Test: m test-art-host
Test: m test-art-target-gtest-unstarted_runtime_test
Change-Id: I6f0a775adfdf6ecd132b470f7c5446e949872e20
diff --git a/disassembler/disassembler_arm.cc b/disassembler/disassembler_arm.cc
index c1a6f59..94ea006 100644
--- a/disassembler/disassembler_arm.cc
+++ b/disassembler/disassembler_arm.cc
@@ -137,12 +137,12 @@
 void DisassemblerArm::CustomDisassembler::CustomDisassemblerStream::PrintLiteral(LocationType type,
                                                                                  int32_t offset) {
   // Literal offsets are not required to be aligned, so we may need unaligned access.
-  typedef const int16_t unaligned_int16_t __attribute__ ((aligned (1)));
-  typedef const uint16_t unaligned_uint16_t __attribute__ ((aligned (1)));
-  typedef const int32_t unaligned_int32_t __attribute__ ((aligned (1)));
-  typedef const int64_t unaligned_int64_t __attribute__ ((aligned (1)));
-  typedef const float unaligned_float __attribute__ ((aligned (1)));
-  typedef const double unaligned_double __attribute__ ((aligned (1)));
+  using unaligned_int16_t  __attribute__((__aligned__(1))) = const int16_t;
+  using unaligned_uint16_t __attribute__((__aligned__(1))) = const uint16_t;
+  using unaligned_int32_t  __attribute__((__aligned__(1))) = const int32_t;
+  using unaligned_int64_t  __attribute__((__aligned__(1))) = const int64_t;
+  using unaligned_float    __attribute__((__aligned__(1))) = const float;
+  using unaligned_double   __attribute__((__aligned__(1))) = const double;
 
   // Zeros are used for the LocationType values this function does not care about.
   const size_t literal_size[kVst4Location + 1] = {