Widevine version genrules (2nd attempt)

Bug: 327241925
Bug: 328438268
Test: dumpsys android.hardware.drm.IDrmFactory/widevine
Change-Id: I0336f366910de9c4ea8903b09d64c32b8d68c977

libwvdrmengine/Android.bp

@@ -224,6 +224,10 @@ cc_library_static {
         "libutils_headers",
     ],
 
+    generated_headers: [
+        "wv_android_build_id",
+    ],
+
     shared_libs: [
         "libbinder_ndk",
         "libcrypto",
@@ -368,3 +372,36 @@ cc_fuzz {
         ],
     },
 }
+
+python_binary_host {
+    name: "wv-android-genrule",
+    srcs: [
+        "wv-android-genrule.py",
+    ],
+    version: {
+        py3: {
+            embedded_launcher: true,
+        },
+    },
+}
+
+genrule {
+    name: "wv_android_build_id",
+    tools: ["wv-android-genrule"],
+    cmd: "$(location wv-android-genrule) build_id_header > $(out)",
+    out: ["wv_android_build_id.h"],
+}
+
+genrule {
+    name: "widevine_apex_manifest.json",
+    tools: ["wv-android-genrule"],
+    cmd: "$(location wv-android-genrule) apex_manifest > $(out)",
+    out: ["gen_wv_apex_manifest.json"],
+}
+
+genrule {
+    name: "widevine_lazy_apex_manifest.json",
+    tools: ["wv-android-genrule"],
+    cmd: "$(location wv-android-genrule) apex_manifest --name com.google.android.widevine.lazy > $(out)",
+    out: ["gen_wv_lazy_apex_manifest.json"],
+}