Push test-data to device

* Push the test-data to the device in the expected destination, this is needed to get rid
of the divergance in TestFilesInstaller.
* Stop jarjaring tests Jni classes.

Test: TH
Bug: 304217500
Change-Id: I07fa7ed09f90bf286805479edc5238b6268d59f0
diff --git a/Cronet/tests/mts/jarjar_excludes.txt b/Cronet/tests/mts/jarjar_excludes.txt
index 3f553c4..b5cdf6e 100644
--- a/Cronet/tests/mts/jarjar_excludes.txt
+++ b/Cronet/tests/mts/jarjar_excludes.txt
@@ -14,6 +14,9 @@
 org\.chromium\.base\..+
 J\.cronet_tests_N(\$.+)?
 
+# don't jarjar automatically generated FooJni files.
+org\.chromium\.net\..+Jni(\$.+)?
+
 # Do not jarjar the tests and its utils as they also do JNI with cronet_tests.so
 org\.chromium\.net\..*Test.*(\$.+)?
 org\.chromium\.net\.NativeTestServer(\$.+)?