init: Statically link libbootloader_message.

This is to resolve idiosyncracies with test packaging.

Bug: 244284630
Test: ldd -d -r CtsInitTestCases
Change-Id: Iec2c14c3ca5cd359b79d9e1f12e689c0eeffb122
diff --git a/init/Android.bp b/init/Android.bp
index dfc90da..0416a7f 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -161,6 +161,7 @@
     },
     static_libs: [
         "libavb",
+        "libbootloader_message",
         "libc++fs",
         "libcgrouprc_format",
         "libfsverity_init",
@@ -181,7 +182,6 @@
     ],
     shared_libs: [
         "libbase",
-        "libbootloader_message",
         "libcrypto",
         "libcutils",
         "libdl",