test: add firmware capture fixtures and stdlib-level unit tests for parsers, intents, running apps

tests/fixtures/media_session_tivimate.txt

@@ -0,0 +1,33 @@
+MEDIA SESSION SERVICE (dumpsys media_session)
+
+ 9 sessions listeners.
+ Global priority session is null
+ User Records:
+ Record for full_user=0
+   Volume key long-press listener: null
+   Volume key long-press listener package:
+   Media key listener: null
+   Media key listener package:
+   OnMediaKeyEventDispatchedListener: added 0 listener(s)
+   OnMediaKeyEventSessionChangedListener: added 1 listener(s)
+     from com.android.bluetooth
+   Last MediaButtonReceiver: null
+   Media button session is null
+   Sessions Stack - have 1 sessions:
+     Netflix media session com.netflix.ninja/Netflix media session (userId=0)
+       ownerPid=5833, ownerUid=10080, userId=0
+       package=com.netflix.ninja
+       launchIntent=null
+       mediaButtonReceiver=null
+       active=false
+       flags=3
+       rating type=0
+       controllers: 0
+       state=null
+       audioAttrs=AudioAttributes: usage=USAGE_MEDIA content=CONTENT_TYPE_UNKNOWN flags=0x800 tags= bundle=null
+       volumeType=1, controlType=2, max=0, current=0
+       metadata: null
+       queueTitle=null, size=0
+ Audio playback (lastly played comes first)
+   uid=10117 packages=ar.tvplayer.tv
+   uid=10006 packages=com.google.android.apps.mediashell