camera3_test: add capture request test cases

More capture request test cases are added to verify requests with
different combinations of template settings, null or stream unconfigured
requests and in-process request flushing .
Reference:
cts/CameraDeviceTest.java: testInvalidCapture()

BUG=b/32689987
TEST='emerge-kevin arc-camera3-test'
CQ-DEPEND=CL:446316

Change-Id: I09ecc6429c5dea17b23bc4d046de59b0b2741184
Reviewed-on: https://chromium-review.googlesource.com/446281
Commit-Ready: Hung-yu Wu <hywu@chromium.org>
Tested-by: Hung-yu Wu <hywu@chromium.org>
Reviewed-by: Heng-ruey Hsu <henryhsu@chromium.org>
5 files changed