installd: implement measureFsverityRootHash

Test: Observed to ioctl, will soon integrate with the actual ioctl
Bug: 30972906

Change-Id: I30729abbdc540093d2b33d0451a29c5bbf0fb83d
diff --git a/cmds/installd/InstalldNativeService.h b/cmds/installd/InstalldNativeService.h
index cef62cd..887a2fc 100644
--- a/cmds/installd/InstalldNativeService.h
+++ b/cmds/installd/InstalldNativeService.h
@@ -120,6 +120,8 @@
             const std::unique_ptr<std::string>& outputPath);
     binder::Status installApkVerity(const std::string& filePath,
             const ::android::base::unique_fd& verityInput);
+    binder::Status assertFsverityRootHashMatches(const std::string& filePath,
+            const std::vector<uint8_t>& expectedHash);
     binder::Status reconcileSecondaryDexFile(const std::string& dexPath,
         const std::string& packageName, int32_t uid, const std::vector<std::string>& isa,
         const std::unique_ptr<std::string>& volumeUuid, int32_t storage_flag, bool* _aidl_return);