- gen-db.py: fix DB output path (assets/ not res/raw/)
- DeviceName: use Build.DEVICE for DB lookup, Build.PRODUCT for AltDeviceNames
- DeviceName: fix capitalize() for API 36 (replaceFirstChar)
- DBHelper: add 24h rate-limit on update checks via SharedPreferences
- DBHelper: make DB download atomic (write to .tmp then rename)
- DeviceInfo: wrap getCurrentDeviceInfo() in withContext(Dispatchers.IO)
- DeviceInfo: add 30-day SharedPreferences cache for device image URLs
- AltDeviceNames: rewrite with Entry class + byModel index for O(1) lookup
- Android.bp: add android_library module for AOSP source build