shorten log store test

[JacksonYao287]

1 only output info log in this UT, disable debug and trace
2 reduce the number of num_records so that this UT will not take too much time

before:
15/19 Test # 15: LogStore-Epoll ................... Passed 253.07 sec

only remove log of debug and trace

15/19 Test # 15: LogStore-Epoll ................... Passed 252.39 sec

remove log of debug and trace , and set num_record from 10000 to 1000
15/19 Test # 15: LogStore-Epoll ................... Passed 45.89 sec

also , this PR mv sudo rm -rf $ANDROID_HOME from build cache phrase to Export Recipes phrase, which will solve the no-space left issue , since some github CI does not have build cache phrase

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.46%. Comparing base (1a0cef8) to head (c367788).
Report is 60 commits behind head on master.

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Additional details and impacted files

@@             Coverage Diff             @@
##           master     #544       +/-   ##
===========================================
+ Coverage   56.51%   67.46%   +10.95%     
===========================================
  Files         108      109        +1     
  Lines       10300    10389       +89     
  Branches     1402     1400        -2     
===========================================
+ Hits         5821     7009     +1188     
+ Misses       3894     2704     -1190     
- Partials      585      676       +91     

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