fastbootd: Add getvar max-fetch-size.
Test: run it
Test: see follow up CL on fuzzy_fastboot
Bug: 173654501
Change-Id: I5ed110c5569d83cbe791d04b4abea3a2af2765a9
diff --git a/fastboot/constants.h b/fastboot/constants.h
index ba43ca5..4cc154a 100644
--- a/fastboot/constants.h
+++ b/fastboot/constants.h
@@ -77,3 +77,4 @@
#define FB_VAR_FIRST_API_LEVEL "first-api-level"
#define FB_VAR_SECURITY_PATCH_LEVEL "security-patch-level"
#define FB_VAR_TREBLE_ENABLED "treble-enabled"
+#define FB_VAR_MAX_FETCH_SIZE "max-fetch-size"