Re-compute DX command if it changes for PDK.

Bug 62360631
Tested build of PDK.

Test: builds
Change-Id: I7cbd649a8a3ce4326e513d5a808b76fbb011d99e
Merged-In: I7cbd649a8a3ce4326e513d5a808b76fbb011d99e
(cherry picked from commit af4bde42396b9a770370002d74a2b0658f20d0f1)
1 file changed