Plexamp Lite 1.11: Minamp is now Plexamp Lite

Renames the app (label, texts, log files, Plex product name, User-Agent, APK). The package
name, preferences and signing key stay, so it installs over Minamp and keeps its settings.
tools/strings.py catches up with the strings added straight to the XML in 9440536.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/com/minamp/net/Http.java

@@ -37,7 +37,7 @@ import com.minamp.bc.tls.crypto.impl.bc.BcTlsCrypto;
  */
 public final class Http {
 
-    public static final String USER_AGENT = "Minamp/1.0";
+    public static final String USER_AGENT = "PlexampLite/1.0";
 
     /** Optional HTTP CONNECT proxy, only used when running the networking code on a desktop JVM. */
     public static String proxyHost;