ANDROID: fs: add vendor hook to collect IO statistics
Add vendor hook to get metainfo of direct/buffered read and write. Determine hot files in each performance-sensitive user scenario. Bug: 380502059 Bug: 397885036 Change-Id: Ie7604852df637d6664afd72e87bd6d4b14bbc2a2 Signed-off-by:Rui Chen <chenrui9@honor.com> (cherry picked from commit affce30e) Signed-off-by:
DANGJian <dangjian@honor.corp-partner.google.com>
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