am e5734557: am caefe564: Merge "x86: Enable libunwind"

* commit 'e5734557d962c801375eeee600e89c98d65dd976':
  x86: Enable libunwind
diff --git a/libbacktrace/Android.mk b/libbacktrace/Android.mk
index 0ae8839..17a807d 100644
--- a/libbacktrace/Android.mk
+++ b/libbacktrace/Android.mk
@@ -23,7 +23,7 @@
 	liblog \
 
 # To enable using libunwind on each arch, add it to this list.
-libunwind_architectures := arm arm64
+libunwind_architectures := arm arm64 x86
 
 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),$(libunwind_architectures)))