Revert "Default from-text stub generation in build"

This reverts commit 182b56b8.

Reason for revert: breaking boot tests b/307495247, b/307411752

Bug:307495247
(cherry picked from https://android-review.googlesource.com/q/commit:1c4188c9da7b55cdae967e2d2a0a3c9a51c0ad9f)
Merged-In: Iea05703b767d2699ca3cf69377eb44b1d21697ad
Change-Id: Iea05703b767d2699ca3cf69377eb44b1d21697ad