Revert "telephony: Use reflection to create command interface (RIL class)"

This reverts commit 608c26909d4df00fc7f28f56b88f1ec6beabdb30

Change-Id: I31c16bfffc7cedebe59205ca6f045788a61dc13f
Merge "Revert "telephony: Use reflection to create command interface (RIL class)"" into jellybean