Move AbandonSessionsRule to be shared by multiple host tests

This is a partial cherry pick of the change
Ib7b32fbd7b1133ac6a8e6782234a4fe2c5a782bd

Test: sdkextensions_e2e_tests
Change-Id: Iec98d08ce8b281fd5ef7f06a44235504a5f302ad
Merged-In: Ib7b32fbd7b1133ac6a8e6782234a4fe2c5a782bd
1 file changed