Revert "Set CCT sample app targetSdkVersion="35""

This reverts commit a14f8114bd160a491c5a4ecf4d52dcd9d45eede1.

Reason for revert: crrev.com/c/6761856 already fixed this

Bug: 433813184
Original change's description:
> Set CCT sample app targetSdkVersion="35"
>
> Apps with targetSdkVersion="36" automatically draw edge to edge, which
> is breaking the CCT sample app on Android 16.
>
> Bug: 433813184
> Change-Id: I2e740e4a0fd14f8799ba21da66fdbf37b0bf885d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6781399
> Auto-Submit: Theresa Sullivan <twellington@chromium.org>
> Reviewed-by: Moe Adel <adelm@google.com>
> Commit-Queue: Moe Adel <adelm@google.com>
> Commit-Queue: Theresa Sullivan <twellington@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1491160}

Bug: 433813184
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I2761a3e098254eb424f02ae87f11d963868f9a0e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6778235
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Theresa Sullivan <twellington@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1491169}