Add click support for LockPatternView

Bug: 403345215
Test: manual on brya redrix
Test: atest packages/apps/Settings/tests/robotests/src/com/android/settings/password/ChooseLockPatternTest.java
Test: atest packages/apps/Settings/tests/robotests/src/com/android/settings/password/ConfirmLockPatternTest.java
Test: atest packages/apps/Settings/tests/robotests/src/com/android/settings/password/SetupChooseLockPatternTest.java
Test: atest frameworks/base/core/tests/coretests/src/com/android/internal/widget/LockPatternViewTest.java
Flag: com.android.settings.flags.enable_pattern_input_click_support
Change-Id: I42199efe8780a7ca5368e6411c94d326fa077552