Include RobotoFlex font into AOSP system image

Bug: 235303866
Test: Manually done
Change-Id: I32af22fd2399fdc438a3aa20b2429ac09b1b08e5
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..30f0448
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,36 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["external_roboto-flex-fonts_license"],
+}
+
+// Added automatically by a large-scale-change
+// See: http://go/android-license-faq
+license {
+    name: "external_roboto-flex-fonts_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-OFL",  // by exception only
+    ],
+    license_text: [
+        "LICENSE",
+    ],
+}
+
+prebuilt_font {
+    name: "RobotoFlex-Regular.ttf",
+    src: "RobotoFlex-Regular.ttf",
+}
diff --git a/fonts.mk b/fonts.mk
new file mode 100644
index 0000000..066005b
--- /dev/null
+++ b/fonts.mk
@@ -0,0 +1,16 @@
+# Copyright (C) 2023 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+PRODUCT_PACKAGES := \
+    RobotoFlex-Regular.ttf