add command line cpu info to allow android neon test

unit_test/cpu_test.cc

 /*
  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 36 matching lines @@
   int has_avx3 = TestCpuFlag(kCpuHasAVX3);
   printf("Has AVX3 %x\n", has_avx3);
   int has_mips = TestCpuFlag(kCpuHasMIPS);
   printf("Has MIPS %x\n", has_mips);
   int has_mips_dsp = TestCpuFlag(kCpuHasMIPS_DSP);
   printf("Has MIPS DSP %x\n", has_mips_dsp);
   int has_mips_dspr2 = TestCpuFlag(kCpuHasMIPS_DSPR2);
   printf("Has MIPS DSPR2 %x\n", has_mips_dspr2);
 }
 
-TEST_F(LibYUVBaseTest, TestCompilerHasAVX2) {
+TEST_F(LibYUVBaseTest, TestCpuCompilerEnabled) {
+#if defined(__aarch64__)
+  printf("Arm64 build\n");
+#endif
+#if defined(__aarch64__) || defined(__ARM_NEON__) || defined(LIBYUV_NEON)
+  printf("Neon build enabled\n");
+#endif
+#if defined(__x86_64__) || defined(_M_X64)
+  printf("x64 build\n");
+#endif
 #ifdef _MSC_VER
 printf("_MSC_VER %d\n", _MSC_VER);
 #endif
 #if !defined(LIBYUV_DISABLE_X86) && (defined(GCC_HAS_AVX2) || \
     defined(CLANG_HAS_AVX2) || defined(VISUALC_HAS_AVX2))
   printf("Has AVX2 1\n");
   // If compiler supports AVX2, the following function is expected to exist:
 #if !defined(HAS_ARGBSHUFFLEROW_AVX2)
   EXPECT_TRUE(0);  // HAS_ARGBSHUFFLEROW_AVX2 was expected.
 #endif
@@ skipping 63 matching lines @@
     EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/juno.txt"));
   } else {
     printf("WARNING: unable to load \"../../unit_test/testdata/arm_v7.txt\"\n");
   }
 #if defined(__linux__) && defined(__ARM_NEON__)
   EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("/proc/cpuinfo"));
 #endif
 }
 
 }  // namespace libyuv