Clean up no_libgcc

This property is getting removed.

Test: build
Change-Id: I5b27553496e76898a90c399bfb85dcd048b3b6cb
diff --git a/Android.bp b/Android.bp
index 35db233..7a73bce 100644
--- a/Android.bp
+++ b/Android.bp
@@ -412,7 +412,7 @@
     },
 
     asflags: ["-integrated-as"],
-    no_libgcc: true,
+    no_libcrt: true,
 
     sanitize: {
         never: true,