secilc: statically link libsepol to secilc.

We do this to package secilc in CTS without the need to handle its
dependencies.

Bug: 37999212
Test: cts-tradefed run commandAndExit cts --skip-all-system-status-check
--primary-abi-only --skip-preconditions -m CtsSecurityHostTestCases
-t android.cts.security.SELinuxNeverallowRulesTest
Change-Id: I0eed2aa37670f6604447e529de32265072e8435c
diff --git a/secilc/Android.bp b/secilc/Android.bp
index 022c74c..6334bf8 100644
--- a/secilc/Android.bp
+++ b/secilc/Android.bp
@@ -9,12 +9,6 @@
     host_supported: true,
     cflags: common_CFLAGS,
     srcs: ["secilc.c"],
-    target: {
-        android: {
-            static_libs: ["libsepol"],
-        },
-        host: {
-            shared_libs: ["libsepol"],
-        },
-    },
+    static_libs: ["libsepol"],
+    stl: "none",
 }