Fix PixelCopyTest failure in CTS

This feature needs support for renderable float textures, but the checks
were only guaranteeing support for float texture reads.

Bug: 68754504
Test: CtsViewTestCases

Change-Id: I0ce4a81cb8e09c10a5f1e65234685767a24ef8c4
Merged-In: I0ce4a81cb8e09c10a5f1e65234685767a24ef8c4
(cherry picked from commit 8472ac67fd1d815022874f5addace0c4334ae9f6)
(cherry picked from commit 8dc7f8275e5ba9004d219d7d7d990e91fc702095)
3 files changed