Set LOCAL_INJECT_BSSL_HASH for init_first_stage

init_first_stage is built in Make and statically links libcrypto,
so it needs to set LOCAL_INJECT_BSSL_HASH to make the FIPS self
test pass.

Bug: 137267623
Test: m checkbuild
Change-Id: Icd8ec07b731228a162db9a13d7304bf1d73127aa
diff --git a/init/Android.mk b/init/Android.mk
index d7258a7..54163fa 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -119,6 +119,7 @@
 LOCAL_SANITIZE := signed-integer-overflow
 # First stage init is weird: it may start without stdout/stderr, and no /proc.
 LOCAL_NOSANITIZE := hwaddress
+LOCAL_INJECT_BSSL_HASH := true
 include $(BUILD_EXECUTABLE)
 endif