Remove manual AndroidTest.xml for binderVendorDoubleLoadTest

Vendor tests are now automatically installed to a directory that
uses the vendor linker config.

Bug: 138450837
Test: atest binderVendorDoubleLoadTest libbinder_ndk_unit_test
Change-Id: I45a674429b4edc633512748ca73a16de695c78b2
2 files changed