CephFSDocumentsProvider: mime-from-ext: remove lowercasing

libcore does this

MetadataReader: extract all with type mappings

CephFSDocumentsProvider: icon for symlink-to-dir

based on material symbols drive file move, with color from pixel

CephFSDocumentsProvider: icon for broken symlink

based on materl symbols "link off"

CephFSDocumentsProvider: use summary to show broken symlink

CephFSExecutor: preserve FileNotFoundException

CephFSExecutor: cursor extra: fallback to class name if msg empty

MediaMetadataReader: video location support

CephFSDocumentsProvider: safer permission checks

CephFSDocumentsProvider: fix java side permission check

CephFSDocumentsProvider: support rstats-via-metadata

defined in aosp and filled by fs-based provider, although nobody reads
it yet

adopt try-with-resources

CephFSDocumentsProvider: make thumbnail failure non-fatal

CephFSExecutor: impl mount mgmt, also bring to fd callback

bump build sdk to 35

for record support

CephFSDocumentsProvider: rework documentId

dedup libcephfs-jni error translation

CephFSDocumentsProvider: refactor permission check

refactor mime types handling

fix various lints