Update rust lib to 0.1.5 to fix missing method log messages.

app/build.gradle

@@ -351,7 +351,7 @@ dependencies {
 
     implementation project(':libsignal-service')
     implementation 'org.signal:zkgroup-android:0.7.0'
-    implementation 'org.whispersystems:signal-client-android:0.1.4'
+    implementation 'org.whispersystems:signal-client-android:0.1.5'
     implementation 'com.google.protobuf:protobuf-javalite:3.10.0'
     implementation 'org.signal:argon2:13.1@aar'
 

app/witness-verifications.gradle

@@ -450,11 +450,11 @@ dependencyVerification {
         ['org.threeten:threetenbp:1.3.6',
          'f4c23ffaaed717c3b99c003e0ee02d6d66377fd47d866fec7d971bd8644fc1a7'],
 
-        ['org.whispersystems:signal-client-android:0.1.4',
+        ['org.whispersystems:signal-client-android:0.1.5',
          'a95f4d8125a22552da99b5db15589454789eee322e84d9ba613c258150366a64'],
 
-        ['org.whispersystems:signal-client-java:0.1.4',
-         '7d151220a203e43ecf419256eecb6309cc4c5644557beeb29f54ba34ee82645c'],
+        ['org.whispersystems:signal-client-java:0.1.5',
+         'f5beec3fe3ef75346c2cd103278c7b0c0e117f8a97405bf9edd3bf3ff1881b70'],
 
         ['pl.tajchert:waitingdots:0.1.0',
          '2835d49e0787dbcb606c5a60021ced66578503b1e9fddcd7a5ef0cd5f095ba2c'],