upload android base code part6

android/system/extras/libfec/Android.bp

@@ -0,0 +1,39 @@
+// Copyright 2015 The Android Open Source Project
+
+cc_library {
+    name: "libfec",
+    host_supported: true,
+    srcs: [
+        "fec_open.cpp",
+        "fec_read.cpp",
+        "fec_verity.cpp",
+        "fec_process.cpp",
+    ],
+    cflags: ["-Wall", "-Werror", "-O3", "-D_LARGEFILE64_SOURCE"],
+    export_include_dirs: ["include"],
+    // Exported header include/fec/io.h includes crypto_utils headers.
+    export_static_lib_headers: ["libcrypto_utils"],
+
+    static_libs: [
+        "libext4_utils",
+        "libfec_rs",
+        "libsquashfs_utils",
+        "libcrypto_utils",
+        "libcrypto",
+        "libcutils",
+        "libbase",
+    ],
+
+    target: {
+        host: {
+            cflags: ["-D_GNU_SOURCE", "-DFEC_NO_KLOG"]
+        },
+        linux: {
+            sanitize: {
+                misc_undefined: ["integer"],
+            },
+        },
+    },
+
+    clang: true,
+}