Disable ASM_RESTRICTIONS flag

This flag was added in Android 15, but introduces unexpected compatibility issues.
Grace period restriction were found impacting async launched activities, see go/asm-graceperiod-problems for details.

Bug: 367702727
Flag: NONE Annotation change can't be flagged
Change-Id: I4dbf717a52aa31ffa8f6f966e1e0babcbf5a8735
Test: atest ActivitySecurityModelTest ActivitySecurityModelEmbeddingTest BackgroundActivityLaunchTest