Camera: Override enableZsl based on SDK version

Override enableZsl based on app target SDK version so that for apps
targeting N and older, enableZsl is false for all template. For
apps targeting O and newer, enableZsl is false for all templates
except STILL_CAPTURE.

Test: CTS
Bug: 34983527
Change-Id: I2057e2351e81c269d322dffc199c58481ac3e78f