Set relative_install_path to "for-system" am: ef9f62b076 am: 083de6f83d

Original change: https://android-review.googlesource.com/c/platform/external/android-clat/+/1944698

Change-Id: If45348b54e74025e7a4955530bdf05cb26c8a140
diff --git a/Android.bp b/Android.bp
index 3ef0115..70b525b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -67,6 +67,7 @@
     shared_libs: [
         "liblog",
     ],
+    relative_install_path: "for-system",
 
     // Static libc++ for smaller apex size while shipping clatd in the mainline module.
     // See b/213123047