Use SystemUI theme to inflate FrameLayout and SplashScreenView

The FrameLayout and SplashScreenView are only used as container in
StartingSurfaceDrawer, so they do not need to be inflated by app's
context, which could be affected by app's resources.

Bug: 197936273
Test: cold launch test app and show splash screen.
Test: launch several apps to verify that everything is fine.
Test: atest StartingSurfaceDrawerTests
Change-Id: I6de444546b5dfba23fc1d7c9c4deb12787d667c5
Merged-In: I6de444546b5dfba23fc1d7c9c4deb12787d667c5
(cherry picked from commit c86f1eb19e2578073849118fe1e81f694d5fae4b)
(cherry picked from commit 85313e73faa7275bcd0e95c25ca2f3104f5ca94f)
4 files changed