Passing additional flags to incremental installation.

Bug: 150803885
Test: atest adb_test adbd_test fastdeploy_test
Change-Id: Ifa9b9e570259d35eb0121817bbb791044c6efcfd
diff --git a/adb/client/incremental.h b/adb/client/incremental.h
index 1fb1e0b..40e928a 100644
--- a/adb/client/incremental.h
+++ b/adb/client/incremental.h
@@ -26,9 +26,10 @@
 namespace incremental {
 
 using Files = std::vector<std::string>;
+using Args = std::vector<std::string_view>;
 
 bool can_install(const Files& files);
-std::optional<Process> install(const Files& files, bool silent);
+std::optional<Process> install(const Files& files, const Args& passthrough_args, bool silent);
 
 enum class Result { Success, Failure, None };
 Result wait_for_installation(int read_fd);