dump_modemlog: move android_property_manager

android_property_manager is moved to its own folder in the root of the
modem folder. This is so that libeomservice proxy has a specific build
target to include.

Test: build, flash, check modem logs in bugreport
Bug: 302435001
Change-Id: Ifc4a0c888717f5c28cf9b642d0b978b495be29d0
diff --git a/modem/android_property_manager/Android.bp b/modem/android_property_manager/Android.bp
new file mode 100644
index 0000000..af89aec
--- /dev/null
+++ b/modem/android_property_manager/Android.bp
@@ -0,0 +1,9 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_library {
+    name: "modem_android_property_manager",
+    export_include_dirs: [ "include" ],
+    vendor_available: true,
+}