LTS Refresh: Merge upto 64642f1ad24998831190dac063d2a94d59a78bc6 (buildnumber: 16623.171.0) from main-R93 to release-R93.

BUG=b/218370650,b/203107677,b/212417198,b/218820470,b/218997138,b/175236375,b/223987483,b/225412835,b/225410617,b/225410312,b/222664724
TEST=presubmit
RELEASE_NOTE=LTS Refresh from main-R93 to release-R93

Signed-off-by: He Gao <hegao@google.com>
Change-Id: Ic215c8d768954860ef1e7575fc080c811311ac5d
diff --git a/PRESUBMIT.cfg b/PRESUBMIT.cfg
new file mode 100644
index 0000000..de7d854
--- /dev/null
+++ b/PRESUBMIT.cfg
@@ -0,0 +1,2 @@
+[Hook Overrides Options]
+cos_patch_trailer_check: true