Add a couple of folks to loganalysis owners

Ensure we have enough people familiar with the codebase in
the owners

Test: None
Bug: None
Change-Id: Ie007c8a6c950f1d318fe5a699420b0ebe3a0f730

OWNERS

 erowe@google.com
+gelanchezhian@google.com
 guangzhu@google.com
+jdesprez@google.com
+mrosenfeld@google.com
 siniavine@google.com
 tobiast@google.com