Fix transform tables in C implementations.

These tables were out of sync with the indexing enum since the
refactoring in commit 4f16f119 (change 303389), due to the removal
of the ext_tx_to_txtype lookup table. This patch just puts them
back in order.

Change-Id: Ieb7d57654f61b99b511d54c9ba09abbd5e8d0d14
2 files changed