title: Android adb push permission denied
body: <p>I am trying to edit the <code>handheld_core_hardware.xml</code> in `system/etc/permissions 
  when i push the file after editing it gives that error</p>
  
  <blockquote>
    <p>adb: error: failed to copy 'handheld_core_hardware.xml' to '/system/etc/permissions/handheld_core_hardware.xml': remote Permission denied
    handheld_core_hardware.xml: 0 files pushed. 0.8 MB/s (4027 bytes in 0.005s)</p>
  </blockquote>
  
  <p>even that i have changed the file to read-write not read-only</p>