Expose ImageManager::RemoveAllImages via binder.

Bug: N/A
Test: manual test
Change-Id: I9429ed49f57caab054c6c3418d4da351a21a8131

gsi_service.cpp

diff --git a/gsi_service.cpp b/gsi_service.cpp
index dbf0ea6..2916c74 100644
--- a/gsi_service.cpp
+++ b/gsi_service.cpp
@@ -359,6 +359,7 @@
     binder::Status backingImageExists(const std::string& name, bool* _aidl_return) override;
     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;
 
   private:
     bool CheckUid();
@@ -454,6 +455,16 @@
     return binder::Status::ok();
 }
 
+binder::Status ImageService::removeAllImages() {
+    if (!CheckUid()) return UidSecurityError();
+
+    std::lock_guard<std::mutex> guard(parent_->lock());
+    if (!impl_->RemoveAllImages()) {
+        return BinderError("Failed to remove all images");
+    }
+    return binder::Status::ok();
+}
+
 bool ImageService::CheckUid() {
     return uid_ == IPCThreadState::self()->getCallingUid();
 }