Move host flags from linux -> host am: cd58088ccf am: 0a3b1d31ab am: 22409b1ac6
am: cbeae7f80d

Change-Id: I937d0e8c8c29fa9f4a70e1e8c9e4ae82619861fc
diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index cf2ac4e..7ab6699 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -67,7 +67,7 @@
 
     target: {
         // Always disable optimizations for host to make it easier to debug.
-        linux: {
+        host: {
             cflags: ["-O0", "-g"],
         },
     },