Use NotoSansMyanmar (pure Unicode) fonts

Revert Myanmar fonts to those on Android P.

Instead NotoSansMyanmar*-ZawDecode (Unicode-Zawgyi hybrid) fonts,
go back to NotoSansMyanmar and NotoSansMyanmarUI (pure Unicode) fonts.

Bug: 141019225
Change-Id: Ib2494b9b5cb148f598e69271c5676e7104f66ae3
(cherry picked from commit 0aeafabef3c8d35a06fa0e08db7bca6f0226895f)
diff --git a/data/fonts/fonts.xml b/data/fonts/fonts.xml
index 072beae..c692097 100644
--- a/data/fonts/fonts.xml
+++ b/data/fonts/fonts.xml
@@ -323,14 +323,16 @@
         <font weight="700" style="normal">NotoSansLaoUI-Bold.ttf</font>
     </family>
     <family lang="und-Mymr" variant="elegant">
-        <font weight="400" style="normal">NotoSansMyanmar-Regular-ZawDecode.ttf</font>
-        <font weight="700" style="normal">NotoSansMyanmar-Bold-ZawDecode.ttf</font>
+        <font weight="400" style="normal">NotoSansMyanmar-Regular.otf</font>
+        <font weight="500" style="normal">NotoSansMyanmar-Medium.otf</font>
+        <font weight="700" style="normal">NotoSansMyanmar-Bold.otf</font>
         <font weight="400" style="normal" fallbackFor="serif">NotoSerifMyanmar-Regular.otf</font>
         <font weight="700" style="normal" fallbackFor="serif">NotoSerifMyanmar-Bold.otf</font>
     </family>
     <family lang="und-Mymr" variant="compact">
-        <font weight="400" style="normal">NotoSansMyanmarUI-Regular-ZawDecode.ttf</font>
-        <font weight="700" style="normal">NotoSansMyanmarUI-Bold-ZawDecode.ttf</font>
+        <font weight="400" style="normal">NotoSansMyanmarUI-Regular.otf</font>
+        <font weight="500" style="normal">NotoSansMyanmarUI-Medium.otf</font>
+        <font weight="700" style="normal">NotoSansMyanmarUI-Bold.otf</font>
     </family>
     <family lang="und-Thaa">
         <font weight="400" style="normal">NotoSansThaana-Regular.ttf</font>