Update mainline aconfigd

Using anyhow instead of thiserror for the mainline aconfigd to be
consistent with /system aconfigd implementation. Also update mainline
aconfigd code based on the feedback for /system aconfigd.

Bug: b/327170179
Test: atest -c
Change-Id: Ic13e49016c8d142dfad51d2778212dad1598cd8c
3 files changed
tree: 797cbf331c4ae70026108d74f6742086e16ef847
  1. aconfigd/
  2. apex/
  3. framework/
  4. service/
  5. OWNERS
  6. TEST_MAPPING