java FlagImpl: Clear context without instrumentat

The original change Idecda9c357f6a92b9b4a63b2ec9b0c04ff441a6d
logically conflicted with I4f1872b5d6da5167c69cd236925fee4d622c7487

Add the same logic to else side of the allow_instrumentation block.

Test: atest aconfig.test.java
Bug: 375288788
Change-Id: I3d19f8ad23a07889a69925118a221d147d13a7b1
diff --git a/tools/aconfig/aconfig/templates/FeatureFlagsImpl.java.template b/tools/aconfig/aconfig/templates/FeatureFlagsImpl.java.template
index ec86806..cb52150 100644
--- a/tools/aconfig/aconfig/templates/FeatureFlagsImpl.java.template
+++ b/tools/aconfig/aconfig/templates/FeatureFlagsImpl.java.template
@@ -125,6 +125,7 @@
 {{ -endif }}
 
 {{ -if runtime_lookup_required }}
+import android.os.Binder;
 import android.provider.DeviceConfig;
 import android.provider.DeviceConfig.Properties;
 {{ -endif }}
@@ -142,6 +143,7 @@
 {{ -endfor }}
 {{ for namespace_with_flags in namespace_flags }}
     private void load_overrides_{namespace_with_flags.namespace}() \{
+        final long ident = Binder.clearCallingIdentity();
         try \{
             Properties properties = DeviceConfig.getProperties("{namespace_with_flags.namespace}");
 {{ -for flag in namespace_with_flags.flags }}
@@ -159,6 +161,8 @@
                 + "flag declaration.",
                 e
             );
+        } finally \{
+            Binder.restoreCallingIdentity(ident);
         }
         {namespace_with_flags.namespace}_is_cached = true;
 }