[BH-2019] Fix crash after deleting WAV alarm sound

Fix of the issue that the device would crash
when entering alarm sound selection list
after deleting selected file during alarm
ringing, but only when file's format was
WAV.

[BH-2020] Fix double-free in DecoderMP3

Fix of the issue that improper check
of dr_mp3 library initialization
success could result in double-free
of library internals in case
initialization was unsuccessful.

[BH-2005] Add volume setting for focus timer

The user will be able to control the volume of notifications in the
Focus Timer application

[BH-2001] Fix debug build with new FSL

* Fixed some issues that have been
caught by asserts in debug build.
* Minor cleanup.

[MOS-1068] Fix A2DP stream not restarting after song changes

Workaround for the issue that A2DP stream
would sometimes not restart when music
player changes song to the next one.

[BH-1898] Fix of GUI freeze after intensive volume change

Fix of the issue that GUI would freeze for
several seconds if volume level was being
changed intensively for a while.

[BH-1888] Fix device freezing when changing volume intensively

Fix of the issue that intensive changing
volume in Relaxation app would result in
device freezing after some time of such
activity.

[BH-1770][BH-1677] Update fsl drivers

Now the system uses 2.14.0 version.
Add only necessary drivers:
- pit
- pmu
- rtwdog
- snvs_hp
- snvs_lp
- src
- trng
- wdog
- gpio
- gpt
- lpi2c
- lpuart
- lpuart_edma
- common
- common_arm
- dmamux
- edma
- flexram
- flexram_allocate
- clock
- cache
- CMSIS
- dcp
- iomuxc

Changed speed of the USDHC clock from ~109MHz to ~81MHz.
Also changed bus timing from kMMC_HighSpeedTiming to
kMMC_HighSpeed200Timing for better efficiency.

[BH-1863] Fix deleted file popup showing in Relaxation

* Fix of the issue that 'File has been
deleted' popup would show in Relaxation
app at the end of playback if the
playback was paused at least once,
even though the file wasn't actually
deleted.
* Added very basic audio decoder error
handling and propagation mechanism.
* Minor refactor around several
audio-related parts.

[BH-1836] Increase range of volume adjustment

Extended volume scale from 10 to 15 point scale
Modified volume approximation function for better user experience

[BH-1264] Add alarm sound fade in

Adding a fade in for the alarm sound (main and power nap) according to
the pattern (V): dt = 30[s] * V/10.

[BH-1823] Fix relaxation start delay for specific MP3 files

Fix of the issue that when trying to play
files with large ID3V2 metadata the
playback would start with significant
delay of several seconds. It was also
possible to leave relaxation progress
window without stopping the playback.

[BH-1688] Create a standard for logs

* Adding document describing how to use logger
* Adjusting logs to follow a new guide
* Change order in log header:
  line number is now before function name

[MOS-552] Fix alarm clock input behavior

Fix of multiple issues that manifested in
input fields of alarm clock, i.e. value
not erasing automatically, redundant
double-zero filling of hours field,
lack of zero-filling of minutes field
when navigating to AM/PM field in
12h mode.

[MOS-30] Fix for Alarm not being handled properly during a phone call

During the phone call, the alarm was not displayed and subsequent alarms
after this scenario did not work. This has now been fixed and the alarm
during a phone call will be automatically snooze.

[CP-1841] Distorted playback and poor device control responsiveness

Fixed problem with an unresponding device after playing specific WAV files.
WAV files encoded with ADPCM are not supported now by the devices.

[CP-1837] Random crashes while copying files

Use ConstMemoryConstrainedFileRef newly added to taglib

[MOS-878] Don't break audio playback on file deletion

Since a currently played file is deleted, the player
goes to the next file from the list. A special case:
if the deleted file is the last one, the playback
stops (and can be resumed by the user).

[MOS-871] Loudspeaker icon is not updated when audio routing has changed

Fix for the loudspeaker becomes active again when a headset is unplugged
if it was on while the headset was connected to the phone.
Fix typo in Bluetooth in EventType enum.

[MOS-205] Unneeded fs notify events

Fixed problem with fs notification events
being sent one time too many.