Remove the metrics report in recovery system

Move the report for non-A/B metrics to the native code in
recovery-persist. We will also handle the report of sideload
status for all devices there.

Bug: 114278989
Test: check the metrics report from recovery-persist.
Change-Id: I856f2f301a9d42979d0b207294cdf5d51d7e1e3f
1 file changed