Preload android.test.base to improve startup performance

Bug: 73711752
Test: make droid && flashall
Merged-In: I28ac1544c20bc3e8abb4341aa331c212f16301f0
Change-Id: I28ac1544c20bc3e8abb4341aa331c212f16301f0
(cherry picked from commit 0c570794273362f5c03b0a4009708e1c83a316e7)
1 file changed