Bionic and kernel system include paths are no longer implicit.

Test: Build and boot
Bug: 153590472
Change-Id: Icd07ff407d3ddcbcfb2f3bb817e92f2c6d7b44d8
diff --git a/Android.bp b/Android.bp
index 2cfe241..4c032dc 100644
--- a/Android.bp
+++ b/Android.bp
@@ -161,9 +161,11 @@
                 enabled: false,
             },
             system_shared_libs: [],
+            header_libs: ["libc_headers"],
         },
         linux_bionic: {
             system_shared_libs: [],
+            header_libs: ["libc_headers"],
         },
     },
 }