Revert r169382 now that android:40302 is fixed.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 2550375642fbd4635c697b565b42abfc1fc124ca..586986fa244f7fead01ba7db727d21394877c9cd 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -3915,14 +3915,6 @@
                   }],
                 ],
               }],
-              # ndk-build copies .a's around the filesystem, breaking
-              # relative paths in thin archives.  Disable using thin
-              # archives to avoid problems until one of these is fixed:
-              # http://code.google.com/p/android/issues/detail?id=40302
-              # http://code.google.com/p/android/issues/detail?id=40303
-              ['_type=="static_library"', {
-                'standalone_static_library': 1,
-              }],
             ],
           }],
           # Settings for building host targets using the system toolchain.