Remove libvendorsupport.so from the filediff allowlist

libvendorsupport.so is included in soong system image. Remove it from
the allowlist.

Bug: 369678122
Test: lunch aosp_cf_x86_64_phone_soong_system-trunk_staging-userdebug
      && m
Change-Id: I222f98111299fe0cc79e4fb216e8d6e1993f88b2
diff --git a/tools/filelistdiff/allowlist b/tools/filelistdiff/allowlist
index c65756f..e7b1d01 100644
--- a/tools/filelistdiff/allowlist
+++ b/tools/filelistdiff/allowlist
@@ -4,7 +4,6 @@
 framework/oat/x86_64/apex@com.android.compos@javalib@service-compos.jar@classes.odex.fsv_meta
 framework/oat/x86_64/apex@com.android.compos@javalib@service-compos.jar@classes.vdex
 framework/oat/x86_64/apex@com.android.compos@javalib@service-compos.jar@classes.vdex.fsv_meta
-lib/libvendorsupport.so
 
 # b/353429422
 init.environ.rc