FP4: Switch to SPDX copyright & update dates

Change-Id: I1adc8afc557a0d8a7379ec24589ea68b2391d147
diff --git a/Android.bp b/Android.bp
index dfecee0..9cfd93a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,3 +1,8 @@
+//
+// SPDX-FileCopyrightText: 2021 The LineageOS Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
 soong_namespace {
     imports: ["hardware/qcom-caf/bootctrl"],
 }