am 9802a7e4: added __cxxabiv1 namespace alias
am 9802a7e4: added __cxxabiv1 namespace alias

* commit '9802a7e430e08b90bf0e92d24abff095fa72ec21':
  added __cxxabiv1 namespace alias

sudosurootdev/external_libcxxrt,sudosurootdev/external_libcxxrt,xin3liang/platform_external_libcxxrt,xin3liang/platform_external_libcxxrt,sudosurootdev/external_libcxxrt,xin3liang/platform_external_libcxxrt