Cherry-pick Icing changes from upstream to enable flags
Descriptions:
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Enable qualified id join index v2
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Enable lite index sort hits at indexing
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Enable doc store namespace id fingerprinting and persistent hashmap
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Bug: 193919210
Bug: 309521808
Test: presubmit
Change-Id: I73f8dba7e2af36fe4374c7cf98c7187e37987364
Merged-In: Icc63f7dd5b680c168dbc4b04d08d08a9a1e7ab2d
5 files changed