Change libc++ to stop statically linking the unwinder.
am: fa2de1c6b1

Change-Id: If2b374cc0b4d5f39556c3c38019c702fc5cbf565
diff --git a/Android.bp b/Android.bp
index 4839cb6..2c651c5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -116,10 +116,6 @@
     stl: "none",
 
     target: {
-        android_arm: {
-            static_libs: ["libunwind_llvm"],
-            ldflags: ["-Wl,--exclude-libs,libunwind_llvm.a"],
-        },
         darwin: {
             unexported_symbols_list: "lib/libc++unexp.exp",
             force_symbols_not_weak_list: "lib/notweak.exp",