Re-enable Secretkeeper usage for VM

Reason for revert: Re-enabling Secretkeeper, the issue is fixed with
aosp/2999177 & aosp/2998099

Bug: 327526008
Test: atest MicrodroidHostTests
Change-Id: I89ed861b72422e560be5409fb28b283f958625a6
diff --git a/virtualizationmanager/src/aidl.rs b/virtualizationmanager/src/aidl.rs
index a72f724..b8c6315 100644
--- a/virtualizationmanager/src/aidl.rs
+++ b/virtualizationmanager/src/aidl.rs
@@ -1521,11 +1521,8 @@
 }
 
 fn is_secretkeeper_supported() -> bool {
-    // TODO(b/327526008): Session establishment wth secretkeeper is failing.
-    // Re-enable this when fixed.
-    let _sk_supported = binder::is_declared(SECRETKEEPER_IDENTIFIER)
-        .expect("Could not check for declared Secretkeeper interface");
-    false
+    binder::is_declared(SECRETKEEPER_IDENTIFIER)
+        .expect("Could not check for declared Secretkeeper interface")
 }
 
 impl VirtualMachineService {