Add android_get_device_api_level.

Bug: http://b/113615412
Test: ran tests
Change-Id: I0a7ae336c96c9ed6543b6935cbc242d14d4a4a67
diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index c5f0910..2770f21 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1456,6 +1456,7 @@
     android_fdsan_get_tag_value;
     android_fdsan_get_error_level;
     android_fdsan_set_error_level;
+    android_get_device_api_level;
     pthread_sigqueue;
     timespec_get;
 } LIBC_P;