[Spa] Upgrade Google Material to 1.12.0

Also,
- Upgrade AGP to 8.6.1
- Upgrade gradle to 8.10.2

Bug: 351975088
Flag: EXEMPT gradle only
Test: Gradle Sync
Test: Run Gallery
Change-Id: I8627ad0137b8f6b6a0654125e6a46a305682673b