Added fastboot_fuzzer

Test: ./fastboot_fuzzer
Bug: 189053436

Change-Id: Idf9be2f86238eb2c7090402adc54bbb9c0b43582
diff --git a/fastboot/Android.bp b/fastboot/Android.bp
index 2c70778..339f392 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -408,3 +408,9 @@
         ":fastboot_test_vendor_boot_v4_with_frag"
     ],
 }
+
+cc_library_headers {
+    name: "fastboot_headers",
+    host_supported: true,
+    export_include_dirs: ["."],
+}