devel/android-tools-{adb,fastboot}: update to 29.0.4

Changes: https://android.googlesource.com/platform/system/core/+log/platform-tools-29.0.3..platform-tools-29.0.4/adb
Changes: https://android.googlesource.com/platform/system/core/+log/platform-tools-29.0.3..platform-tools-29.0.4/fastboot
Reported by: portscout