BT Dev: Increase array size for codec selection in Dev Op

Increase array size to accomodate additional codec
in Developer Option codec list

 Conflicts:
	packages/SettingsLib/res/values/arrays.xml

CRs-Fixed: 2322634

Change-Id: I1de7d70e675bffed25b1016efbd1ea908b24d97d
Signed-off-by: Volodymyr Zhdanov <wight554@gmail.com>