Remove liblog from Tethering jni_libs

Tethering's JNI libraries use the NDK version of liblog, it should
not package the platform version of liblog into the APK.

Bug: 149591340
Test: m checkbuild
Change-Id: If208c1078d2755907f57d7853a5c545bf12458c2
diff --git a/Tethering/Android.bp b/Tethering/Android.bp
index 3111ab7..6589c84 100644
--- a/Tethering/Android.bp
+++ b/Tethering/Android.bp
@@ -98,7 +98,6 @@
     // Build system doesn't track transitive dependeicies for jni_libs, list all the dependencies
     // explicitly.
     jni_libs: [
-        "liblog",
         "libnativehelper_compat_libc++",
         "libtetherutilsjni",
     ],