Add removeDisabledImages to IImageService.

This wraps ImageManager::RemoveDisabledImages.

Bug: 134949511
Test: adb remount; fastboot flash system
Change-Id: Ib288c356bd1a9bba2068b7c8f59990fa0d8a89f9
diff --git a/gsi_service.cpp b/gsi_service.cpp
index 5ef4914..0498966 100644
--- a/gsi_service.cpp
+++ b/gsi_service.cpp
@@ -449,6 +449,7 @@
     binder::Status isImageMapped(const std::string& name, bool* _aidl_return) override;
     binder::Status zeroFillNewImage(const std::string& name, int64_t bytes) override;
     binder::Status removeAllImages() override;
+    binder::Status removeDisabledImages() override;
 
   private:
     bool CheckUid();
@@ -554,6 +555,16 @@
     return binder::Status::ok();
 }
 
+binder::Status ImageService::removeDisabledImages() {
+    if (!CheckUid()) return UidSecurityError();
+
+    std::lock_guard<std::mutex> guard(parent_->lock());
+    if (!impl_->RemoveDisabledImages()) {
+        return BinderError("Failed to remove disabled images");
+    }
+    return binder::Status::ok();
+}
+
 bool ImageService::CheckUid() {
     return uid_ == IPCThreadState::self()->getCallingUid();
 }