Fix more kotlin 1.7.0 errors

Fix "'when' expression must be exhaustive" and UNEXPECTED_SAFE_CALL
errors.

Bug: 216136346
Test: m checkbuild
Change-Id: I2c1b1f7581426496f31198896c4ff3bd9abf2941
(cherry picked from commit 64acfee25d)
Merged-In: I2c1b1f7581426496f31198896c4ff3bd9abf2941

packages/SystemUI/src/com/android/systemui/navigationbar/gestural/BackPanelController.kt

@@ -417,6 +417,7 @@ class BackPanelController private constructor(
                 stretchEntryBackIndicator(preThresholdStretchProgress(xTranslation))
             GestureState.INACTIVE ->
                 mView.resetStretch()
+            else -> {}
         }
 
         // set y translation

packages/SystemUI/tests/src/com/android/systemui/media/MediaResumeListenerTest.kt

@@ -305,7 +305,7 @@ class MediaResumeListenerTest : SysuiTestCase() {
         // Then we save an update with the current time
         verify(sharedPrefsEditor).putString(any(), (capture(componentCaptor)))
         componentCaptor.value.split(ResumeMediaBrowser.DELIMITER.toRegex())
-                ?.dropLastWhile { it.isEmpty() }.forEach {
+                .dropLastWhile { it.isEmpty() }.forEach {
             val result = it.split("/")
             assertThat(result.size).isEqualTo(3)
             assertThat(result[2].toLong()).isEqualTo(currentTime)
@@ -392,7 +392,7 @@ class MediaResumeListenerTest : SysuiTestCase() {
         // Then we store the new lastPlayed time
         verify(sharedPrefsEditor).putString(any(), (capture(componentCaptor)))
         componentCaptor.value.split(ResumeMediaBrowser.DELIMITER.toRegex())
-                ?.dropLastWhile { it.isEmpty() }.forEach {
+                .dropLastWhile { it.isEmpty() }.forEach {
                     val result = it.split("/")
                     assertThat(result.size).isEqualTo(3)
                     assertThat(result[2].toLong()).isEqualTo(currentTime)

services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/SystemStubMultiUserDisableUninstallTest.kt

@@ -628,6 +628,7 @@ class SystemStubMultiUserDisableUninstallTest : BaseHostJUnit4Test() {
             CodePath.SAME, CodePath.DIFFERENT ->
                 throw AssertionError("secondDataPath cannot be a data path")
             CodePath.SYSTEM -> assertThat(codePaths[1]).isEqualTo(stubFile.parent.toString())
+            else -> {}
         }
     }
 

tools/xmlpersistence/src/main/kotlin/Generator.kt

@@ -149,6 +149,7 @@ private val ClassFieldInfo.allClassFields: List<ClassFieldInfo>
                 when (field) {
                     is ClassFieldInfo -> this += field.allClassFields
                     is ListFieldInfo -> this += field.element.allClassFields
+                    else -> {}
                 }
             }
         }