am 63e6fe92: am 41056130: am 5a69c1db: (-s ours) DO NOT MERGE Restore libcorkscrew unwinding.

* commit '63e6fe92bbfe73a3637393d0ca80856954c0d5f7':
  DO NOT MERGE Restore libcorkscrew unwinding.
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index 255dc2e..cd1bf33 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -59,7 +59,8 @@
     -g \
     -Wall -Wextra \
     -Werror \
-    -fno-builtin
+    -fno-builtin \
+    -std=gnu++11
 
 test_src_files := \
     liblog_test.cpp