Allow public-readable to persist.rcs.supported

Bug: 74266614
Test: succeeded building and tested on pixel
PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE=true

Change-Id: I926eb4316c178a39693300fe983176acfb9cabec
Merged-In: I926eb4316c178a39693300fe983176acfb9cabec
(cherry picked from commit 9ddba296c81ed7d38dc7eac6497153cd30273589)
1 file changed