Move host flags from linux -> host
am: cd58088ccf

Change-Id: If60258b3bf78cd9ed1c9b9dcbfb2d7bfa650d10d
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"],
         },
     },