doc: rename doc/*-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/assisted-satellite-navigation-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/audio-settings-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/call-barring-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/call-forwarding-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/call-meter-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/call-settings-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/call-volume-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/cdma-connman-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/cdma-messagemanager-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/cdma-network-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/cdma-voicecall-manager-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/cell-broadcast-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/connman-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/dundee-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/handsfree-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/handsfree-audio-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/location-reporting-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/manager-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
doc: convert doc/message-api.txt

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>