EventLogger + test fixes

Fix regression where event logging is in the reverse order
 of logcat.
Fix broken tests:
- testThatPrintWriterDumpsEventsAsExpected didn't take indents
 into account
- testThatPrintWriterProducesEmptyListFromEmptyLog didn't take
 the title of the log into account

Bug: 260629104
Test: atest com.android.server.utils.EventLoggerTest
Change-Id: Idb91e2265e7d5b20f6c97b78db8edcc36dcf0d85