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

modem/android_property_manager/impl/include/android_property_manager_impl.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <string>
+
+#include "android_property_manager.h"
+
+namespace pixel_modem {
+
+/**
+ * @brief Implementation of AndroidPropertyManager that directly forwards to
+ * android base methods.
+ */
+class AndroidPropertyManagerImpl : public AndroidPropertyManager {
+ public:
+  bool GetBoolProperty(const std::string& key, bool default_value) override;
+
+  std::string GetProperty(const std::string& key,
+                          const std::string& default_value) override;
+
+  int GetIntProperty(const std::string& key, int default_value) override;
+
+  bool SetProperty(const std::string& key, const std::string& value) override;
+};
+
+}  // namespace pixel_modem