Add muxer support for injecting basic spatial audio data

media: Fix a regression of wrongly getting media paramerters.

This regression is produced at 294d62c .

handler: Get handler name more secure.

public header: Add LIBLSMASH_VERSION_INT.

timeline: Fix copying empty edits.

mp4a: Set audioProfileLevelIndication properly.

public header: Add 'const' qualifier to the first parameter of lsmash…

…_memdup().

mp4sys: Fix typo of graphicsProfileLevelIndication when dumping.

public header: Update micro ver. because of reallocations for HEVC.

public header: Update micro ver. because of regular HEVC support.