Remove diffs of flags files that included in product SBOM.

Bug: 272358980
Test: build/soong/tests/sbom_test.sh
Change-Id: I65acea2e854bc983b6e12ab247afcb702c410988
diff --git a/tests/sbom_test.sh b/tests/sbom_test.sh
index 2534b20..681617a 100755
--- a/tests/sbom_test.sh
+++ b/tests/sbom_test.sh
@@ -85,13 +85,8 @@
   lz4=$out_dir/host/linux-x86/bin/lz4
 
   declare -A diff_excludes
-  diff_excludes[product]="\
-    -I /product/etc/aconfig_flags.textproto \
-    -I /product/etc/build_flags.json"
   diff_excludes[vendor]="\
-    -I /vendor/lib64/libkeystore2_crypto.so \
-    -I /vendor/etc/aconfig_flags.textproto \
-    -I /vendor/etc/build_flags.json"
+    -I /vendor/lib64/libkeystore2_crypto.so"
   diff_excludes[system]="\
     -I /bin \
     -I /bugreports \
@@ -111,8 +106,6 @@
     -I /odm/priv-app \
     -I /odm/usr \
     -I /sdcard \
-    -I /system/etc/aconfig_flags.textproto \
-    -I /system/etc/build_flags.json \
     -I /system/lib64/android.hardware.confirmationui@1.0.so \
     -I /system/lib64/android.hardware.confirmationui-V1-ndk.so \
     -I /system/lib64/android.hardware.keymaster@4.1.so \
@@ -142,9 +135,6 @@
     -I /system/lib/vndk-sp-29 \
     -I /system/usr/icu \
     -I /vendor_dlkm/etc"
-  diff_excludes[system_ext]="\
-    -I /system_ext/etc/aconfig_flags.textproto \
-    -I /system_ext/etc/build_flags.json"
 
   # Example output of dump.erofs is as below, and the data used in the test start
   # at line 11. Column 1 is inode id, column 2 is inode type and column 3 is name.