docs: revise adding components with info about platform-tools
docs: revise adding components with info about platform-tools

Change-Id: I3b4afca09fc81d41f3017fd78e64f44b11f9ec12

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base