Adding ApexInfo utility

This is to get name/version when the HAL is started from an APEX. This
is the initial work and just prints name/version on startup.

Bug: 268439003
Test: adb logcat | grep com.google.android.widevine
Change-Id: I756c042d544f973999738f7d17022d916b9712cd

libwvdrmengine/Android.bp

@@ -129,7 +129,13 @@ cc_binary {
         "frameworks/native/libs/binder/include",
     ],
 
-    shared_libs: ["libbinder_ndk"],
+    shared_libs: [
+        "libbinder_ndk",
+        "libprotobuf-cpp-lite",
+    ],
+    static_libs: [
+        "lib_apex_manifest_minimal_proto_lite",
+    ],
 
     init_rc: ["src/android.hardware.drm-service.widevine.rc"],
     vintf_fragments: ["manifest_android.hardware.drm-service.widevine.xml"],