Add an automated tools for generating brick OTA package

In the past, we have been generating brick OTA packages manually.
Automate this process.

Bug: 273561331
Test: create_brick_ota --product oriole brick.zip and apply the package
Change-Id: I7f4cf3cacaedd9d376b4cc07cbb388930bca643b
diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 29fc771..33a3d5c 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -334,6 +334,9 @@
         "ota_utils.py",
         "payload_signer.py",
     ],
+    libs: [
+        "releasetools_common",
+    ],
 }
 
 python_binary_host {
@@ -356,6 +359,21 @@
 }
 
 python_binary_host {
+    name: "create_brick_ota",
+    version: {
+        py3: {
+            embedded_launcher: true,
+        },
+    },
+    srcs: [
+        "create_brick_ota.py",
+    ],
+    libs: [
+        "ota_utils_lib",
+    ],
+}
+
+python_binary_host {
     name: "build_image",
     defaults: [
         "releasetools_binary_defaults",