Install the compatibility symlink with a soong module

So that it's properly tracked for artifact path requirements, sbom,
and installclean-less builds.

Bug: 205632228
Test: built and ran the emulator observed the /system/bin/hwservicemanager symlink is still there
Change-Id: Ic7cfb263be2eb598a704c765bbef1afc5a0f5023

1 files changed, 11 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index f3f2342..2009186 100644
--- a/Android.bp
+++ b/Android.bp
@@ -112,6 +112,17 @@ cc_binary {
     ],
     bootstrap: true,
     system_ext_specific: true,
+    required: ["hwservicemanager_compat_symlink_module"],
+}
+
+// Create symlink /system/bin/hwservicemanager -> /system/system_ext/bin/hwservicemanager
+// Old vendor libraries (like libhidlbase) may require /system/bin/hwservicemanager to be present
+install_symlink {
+    name: "hwservicemanager_compat_symlink_module",
+    symlink_target: "/system/system_ext/bin/hwservicemanager",
+    // installed_location is relative to /system because that's the default partition for soong
+    // modules, unless we add something like `system_ext_specific: true` like in hwservicemanager.
+    installed_location: "bin/hwservicemanager",
 }
 
 cc_test {