C11 has been the platform (and compiler) default for a while now.

Noticed while moving us up to C17.

Bug: http://b/232413369
Test: treehugger
Change-Id: I3a4866782169888c3372b64159725ab5119a12ce
diff --git a/Android.bp b/Android.bp
index 4f9461f..a8c327f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -106,8 +106,6 @@
         "vfat.c",
         "xdf_io.c",
     ],
-    // Needs C11 language feature.
-    c_std: "experimental",
     cflags: [
         "-DSYSCONFDIR=\"/etc\"",
         "-Wno-missing-field-initializers",