$ dpkg -s adb
[...]
Replaces: android-tools-adb (<< 6.0~)
Provides: android-tools-adb
Depends: android-sdk-platform-tools-common (>= 28.0.2~), libc6 (>= 2.32), libgcc-s1 (>= 3.0), libstdc++6 (>= 9), libusb-1.0-0 (>= 2:1.0.16)
Breaks: android-tools-adb (<< 6.0~)
Description: Android Debug Bridge
A versatile command line tool that lets you communicate with an emulator
instance or connected Android-powered device.
.
This package recommends "android-sdk-platform-tools-common" which contains
the udev rules for Android devices. Without this package, adb and fastboot need
to be running with root permission.
[...]
The description says
This package recommends "android-sdk-platform-tools-common"
but adb actually depends on it. So "recommends" needs to be changed
to "depends on" (unless the intent is to changed this dependency to
a Recommends).