[MOB-6443] remove polling logic and adds callbacks to embedded session manager

[evantk91]

🔹 Jira Ticket(s) if any

• MOB-6443

✏️ Description

• removes polling logic and fetching timer
• makes syncMessages function public
• adds onSwitchToForeground and onSwitchToBackground callbacks to the embedded session manager
• removes setting auto fetching interval from config

[codecov]

Codecov Report

Patch coverage: 11.96% and project coverage change: -22.27 ⚠️

Comparison is base (f844696) 62.92% compared to head (7afb429) 40.65%.

❗ Current head 7afb429 differs from pull request most recent head 49b8e3e. Consider uploading reports for the commit 49b8e3e to get more accurate results

Additional details and impacted files

@@              Coverage Diff              @@
##           embedded     #591       +/-   ##
=============================================
- Coverage     62.92%   40.65%   -22.27%     
=============================================
  Files            68       72        +4     
  Lines          4070     4373      +303     
  Branches        469      491       +22     
=============================================
- Hits           2561     1778      -783     
- Misses         1257     2393     +1136     
+ Partials        252      202       -50     

Impacted Files	Coverage Δ
...com/iterable/iterableapi/EmbeddedImpressionData.kt	0.00% <0.00%> (ø)
...va/com/iterable/iterableapi/IterableConstants.java	0.00% <ø> (ø)
...om/iterable/iterableapi/IterableEmbeddedMessage.kt	0.00% <0.00%> (-79.20%)	⬇️
.../iterable/iterableapi/OfflineRequestProcessor.java	0.00% <0.00%> (-81.04%)	⬇️
...ain/java/com/iterable/iterableapi/IterableApi.java	34.14% <9.52%> (-27.23%)	⬇️
...om/iterable/iterableapi/IterableEmbeddedManager.kt	11.11% <11.11%> (ø)
...com/iterable/iterableapi/EmbeddedSessionManager.kt	12.69% <12.69%> (ø)
...va/com/iterable/iterableapi/IterableApiClient.java	39.40% <16.90%> (-36.66%)	⬇️
...om/iterable/iterableapi/IterableEmbeddedSession.kt	25.00% <25.00%> (ø)
...m/iterable/iterableapi/OnlineRequestProcessor.java	87.50% <100.00%> (+2.88%)	⬆️

... and 31 files with indirect coverage changes

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[Ayyanchira]

Shared some thoughts

[Ayyanchira]

LGTM