libclat: Use space indentation instead of tab

Correct the indentation style of libclat in the follows
bpf_headers/Android.bp
bpf_syscall_wrappers/Android.bp

Test: build
Change-Id: I7cdd354141124fa8f7b4a864ddd937bef4676302
diff --git a/staticlibs/native/bpf_headers/Android.bp b/staticlibs/native/bpf_headers/Android.bp
index 6df5dcb..ebb5678 100644
--- a/staticlibs/native/bpf_headers/Android.bp
+++ b/staticlibs/native/bpf_headers/Android.bp
@@ -47,7 +47,7 @@
         "//packages/modules/Connectivity/bpf_progs",
         "//packages/modules/Connectivity/netd",
         "//packages/modules/Connectivity/service/native",
-	"//packages/modules/Connectivity/service/native/libs/libclat",
+        "//packages/modules/Connectivity/service/native/libs/libclat",
         "//packages/modules/Connectivity/tests/unit/jni",
         "//packages/modules/DnsResolver/tests",
         "//system/bpf/bpfloader",