[intentresolver] Reselection -> modify share

Doesn't change the UI or logging in this change, just API and code naming.

Bug: 267870268
Test: atest UnbundledChooserActivityTest
Change-Id: I2b8a68ed1e3fe1e6d4bdb1a89f155afdf377159a
Merged-In: I2b8a68ed1e3fe1e6d4bdb1a89f155afdf377159a
(cherry picked from commit 6333997c2c04f2e71c8fefad56a651e88bd25922)
4 files changed