Update MediaProjection logging atoms for new windowing metrics

Add fields to track target position & size, and stop reason + log stop reason and updates to bound

Bug: 341319250
Test: atest MediaProjectionManagerServiceTest
Test: atest ContentRecorderTests
Test: atest MediaProjectionMetricsLoggerTest
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d6615c072b30ff766d17f94cdbd2d66b5e37f376)
Merged-In: I456f974bf37af39882ef011bf60f724670ea8dae
Change-Id: I456f974bf37af39882ef011bf60f724670ea8dae