tree addeefff022148722d9e2d9ed340b1c0ab24d577
parent edc7799657e725b73330da7b89f1539ce2ea7a7e
author Song Hu <songhu@google.com> 1584708033 -0700
committer Song Hu <songhu@google.com> 1585228732 -0700

Factor freqeuncy and mimetype of past sharings, foreground app into
sharesheet model. Promote most frequent sharable apps to tackle cold
start issue when device doesn't hold enough sharing history.

Bug: 149822311
Test: manual test Sharesheet ranking on device
Test: atest com.android.server.people.prediction.ShareTargetPredictorTest
Test: atest com.android.server.people.prediction.SharesheetModelHelperTest
Test: atest com.android.server.people.data.UsageStatsQueryHelperTest
Change-Id: I6eb764448c0619cbc3b320b5f6432f559d1a15e1