adb-forward, adb-reverse: improve command description, add -s option for selecting devices (#19086)

Author: reinhart1010

pages/common/adb-forward.md

@@ -1,12 +1,16 @@
 # adb forward
 
-> Connect to an Android device wirelessly.
+> Forward socket connections to a connected Android device or emulator.
 > More information: <https://developer.android.com/tools/adb>.
 
-- Forward a TCP port:
+- Forward a TCP port to the only connected emulator or device:
 
 `adb forward tcp:{{local_port}} tcp:{{remote_port}}`
 
+- Forward a TCP port to a specific emulator or device (by device ID / [s]erial number):
+
+`adb -s {{device_ID}} forward tcp:{{local_port}} tcp:{{remote_port}}`
+
 - List all forwardings:
 
 `adb forward --list`

pages/common/adb-reverse.md

@@ -7,10 +7,14 @@
 
 `adb reverse --list`
 
-- Reverse a TCP port from an emulator or device to localhost:
+- Reverse a TCP port from the only connected emulator or device to localhost:
 
 `adb reverse tcp:{{remote_port}} tcp:{{local_port}}`
 
+- Reverse a TCP port from a specific emulator or device (by device ID / [s]erial number) to localhost:
+
+`adb -s {{device_ID}} adb reverse tcp:{{remote_port}} tcp:{{local_port}}`
+
 - Remove a reverse socket connections from an emulator or device:
 
 `adb reverse --remove tcp:{{remote_port}}`