Remove all usages of SCREENSHOT_METADATA flag

Separating from flag removal for to avoid slowing down approval.

Bug: 264916608
Bug: 329659738
Test: Build
Flag: LEGACY SCREENSHOT_METADATA DISABLED
Change-Id: I84314ce93f24a3eeb061ee53ad9bd611f560f4e6
Merged-In: I84314ce93f24a3eeb061ee53ad9bd611f560f4e6
2 files changed