Meshtastic Android 2.5.4 alpha

Features

• Signal Metrics by @Robert-0410 in #1340
• Traceroute Logs by @andrekir in #1348

Bug fixes

• Fix metrics field validation and current unit (mA) (8df1634)
• Replace invalid MeshPacket times (earlier than build time) (9f099f3)
• Replace telemetry times with receive time (a3b4b70)

Full Changelog: 2.5.3...2.5.4