If the app does not exist log an error but do not fail the test.
Test: atest google/test/performance/app-install-startup -v
(cherry-picked from commit 55db8ff9a6)
Merged-In: Idb6f1d0ba3c5bfb6c7985cd84f5aa4e0599c6b59
Change-Id: Idb6f1d0ba3c5bfb6c7985cd84f5aa4e0599c6b59