Build FUTILITY tool from futility-host.
Also pack the tool, vboot_signer.sh script and the test keys into
otatools.zip. This allows signing ryu target without a source repo.
Bug: 35467608
Test: m otatools-package and check the newly included files.
Test: Use otatools.zip to sign a ryu target.
Change-Id: I70f7b359f21a579463d5c7251daac81a97e338cc
diff --git a/core/config.mk b/core/config.mk
index 2f43f46..7950910 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -621,7 +621,7 @@
VERITY_SIGNER := $(HOST_OUT_EXECUTABLES)/verity_signer
BUILD_VERITY_TREE := $(HOST_OUT_EXECUTABLES)/build_verity_tree
BOOT_SIGNER := $(HOST_OUT_EXECUTABLES)/boot_signer
-FUTILITY := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/futility/futility
+FUTILITY := $(HOST_OUT_EXECUTABLES)/futility-host
VBOOT_SIGNER := prebuilts/misc/scripts/vboot_signer/vboot_signer.sh
FEC := $(HOST_OUT_EXECUTABLES)/fec