fastboot: Add system_dlkm flashing support

Bug: 200082547
Test: TreeHugger
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Change-Id: I35e081bbe8674c102324d22d440dcc38493ec25b
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 532b524..c8ef94f 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -152,6 +152,10 @@
     { "recovery", "recovery.img",     "recovery.sig", "recovery", true,  ImageType::BootCritical },
     { "super",    "super.img",        "super.sig",    "super",    true,  ImageType::Extra },
     { "system",   "system.img",       "system.sig",   "system",   false, ImageType::Normal },
+    { "system_dlkm",
+                  "system_dlkm.img",  "system_dlkm.sig",
+                                                      "system_dlkm",
+                                                                  true,  ImageType::Normal },
     { "system_ext",
                   "system_ext.img",   "system_ext.sig",
                                                       "system_ext",