apk-based test runner work. Not enabled yet. This CL is a combination of upstreaming, ndk/ant-ifi…

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index f882f79c005506b008d23672f7ee155c2ba352eb..fe677e6ddea282010d4b97a407b33bf38ac7929f 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -780,9 +780,9 @@
         'notifications%': 0,
 
         # Builds the gtest targets as a shared_library.
-        # TODO(michaelbai): Use the fixed value 'shared_library' once it
-        # is fully supported.
-        'gtest_target_type%': '<(gtest_target_type)',
+        # TODO(jrg): when 'gtest_target_type'=='shared_libary' and OS==android, 
+        # make all gtest_targets depend on base/base.gyp:native_test_apk.
+        ### 'gtest_target_type': 'shared_libary',
 
         # Uses system APIs for decoding audio and video.
         'use_libffmpeg%': '0',
@@ -2347,6 +2347,11 @@
                 'ldflags': [
                   '-Wl,-shared,-Bsymbolic',
                 ],
+                # Use of -nostdlib prevents the compiler from bringing
+                # in crtbegin_dynamic.o et al, so we get an undefined
+                # reference to ___dso_handle when building
+                # gtest_target_type==shared_library.
+                'ldflags!': [ '-nostdlib' ],
               }],
             ],
           }],