[android] Fixes icon colors

- Reverts opening hours tint that was wrongly set to white which is not visible in light mode in the commit 5841d0f .

- Sets color of hearing_aids icon same as  other shop icons

Signed-off-by: hemanggs <hemangmanhas@gmail.com>

android/app/src/main/res/layout/item_opening_hours.xml

@@ -17,8 +17,9 @@
     android:layout_height="wrap_content"
     android:layout_marginEnd="@dimen/margin_base_plus"
     android:layout_marginTop="@dimen/margin_base"
-    app:srcCompat="@drawable/ic_operating_hours" />
-
+    app:srcCompat="@drawable/ic_operating_hours"
+    app:tint="?iconTint" />
+  
   <LinearLayout
     android:id="@+id/empty_opening_hours"
     android:layout_width="match_parent"

data/styles/default/dark/symbols/hearing_aids-m.svg

@@ -2,7 +2,7 @@
   <title>audiologist-m</title>
   <g>
     <circle id="outer" r="12" cx="12" cy="12" fill="#000" opacity=".6"/>
-    <circle id="inner" r="11" cx="12" cy="12" fill="#AC39AC"/>
+    <circle id="inner" r="11" cx="12" cy="12" fill="#8C5F93"/>
     <g stroke="#000" stroke-linecap="round" fill="none">
       <path d="M 15.729487,14.689004 C 17.3844,13.564632 18.61704,11.832386 18.61704,9.6980126 a 5.7549639,5.7549639 0 0 0 -11.5099277,0 V 17.12803 c 0,1.591967 1.2855145,2.928919 2.8774816,2.928919 v 0 c 1.5919681,0 2.4037781,-0.933024 2.7800081,-1.43874 0.531255,-0.712537 1.500246,-2.933594 2.964885,-3.929205 z"/>
       <path d="M 9.4090978,13.726488 V 9.4102656 c 0,-1.7408758 1.5538392,-3.1652311 3.4529782,-3.1652311 v 0 c 1.89914,0 3.452978,1.4243553 3.452978,3.1652311"/>

data/styles/default/light/symbols/hearing_aids-m.svg

@@ -2,7 +2,7 @@
   <title>audiologist-m</title>
   <g>
     <circle id="outer" r="12" cx="12" cy="12" fill="#fff" opacity=".6"/>
-    <circle id="inner" r="11" cx="12" cy="12" fill="#AC39AC"/>
+    <circle id="inner" r="11" cx="12" cy="12" fill="#8C5F93"/>
     <g stroke="#fff" stroke-linecap="round" fill="none">
       <path d="M 15.729487,14.689004 C 17.3844,13.564632 18.61704,11.832386 18.61704,9.6980126 a 5.7549639,5.7549639 0 0 0 -11.5099277,0 V 17.12803 c 0,1.591967 1.2855145,2.928919 2.8774816,2.928919 v 0 c 1.5919681,0 2.4037781,-0.933024 2.7800081,-1.43874 0.531255,-0.712537 1.500246,-2.933594 2.964885,-3.929205 z"/>
       <path d="M 9.4090978,13.726488 V 9.4102656 c 0,-1.7408758 1.5538392,-3.1652311 3.4529782,-3.1652311 v 0 c 1.89914,0 3.452978,1.4243553 3.452978,3.1652311"/>