Add public API for EuiccService log dump

Add public APi to EuiccService which allows the connected LPA to dump
out the logs when a bug report is triggered.
Bug: 62881779
Test: manually tested by extracting bug report and seeing the logs are
present and atest EuiccServiceTest

Change-Id: I55a4b5d77dee9837bbdc95b0b616ec4909ba7c15
Merged-In: I55a4b5d77dee9837bbdc95b0b616ec4909ba7c15